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Neptunea tabulata (Baird, 1863) Tabled whelk Upload your photos Google image | No image available for this species; drawing shows typical species in Buccinidae. These rings are composed of at least 20% dust (with some containing as much as 70%) which are micrometer-sized, similar to the particles that make up the rings of Jupiter. To cite this page: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. Over 12,000 fossil species of these hinge-valved organisms have been described . The best index fossils are common, easy-to-identify at species level, and have a broad distributionotherwise the likelihood of finding and recognizing one in the two sediments is minor. THANK YOU FOR LOOKING!!!! Neptunea tabulata Venerrcardia planicosta Inoceramus labiatus Nerinea trinodosa Monotis subcircu/aris Parafusulina bosei Lophophyllidium proliferum Prolecanites gurleyi Palmatolepus unicornis Hexamoceras hertzeri Tetragraphtus fructicosus Billingsella corrugata Time Period Quaternary Tertiary Cretaceous Jurassic Triassic permian Pennsylvanian A manga series illustrated by Mikage Baku which complements the television animation, titled Hyperdimension Neptune: The Animation - Hello New World , began serialisation within the June 2013 issue of Dengeki Maoh . Neptunea tabulata (Baird, 1863) Neptunea tuberculata (Yokoyama, 1929) Neptunea umbratica Fraussen & Terryn, 2007; Neptunea varicifera (Dall, 1907) And yet, it remains in place. 'Neptunea' | Neptunea They have simple calcareous skeleton, colonies consisting of prismatic or tube-like corallites communicating by mural pores or pore channels or tunnels. Tabulata hi-res stock photography and images - Alamy - Eugene, OR 97403mnch@uoregon.edu. Also, as mentioned earlier, masses of Neptunea, Tabulata would congregate together to form, You can often find these fossils, whether it be full fossils or pieces of, them, along the coast and shorelines since that was their primary. Neptunea tabulata (7 F) V Neptunea varicifera (1 F) Neptunea ventricosa (2 F) Media in category "Neptunea" The following 11 files are in this category, out of 11 total. Al Mar Knives History, Retaliation is prohibited by UO policy. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Get the latest reef aquarium news in your email. [1] Species [ edit] According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus Neptunea : [1] Neptunea acutispiralis Okutani, 1968 Except for the part where you wouldnt stop sinking! They have simple calcareous skeleton, colonies consisting of prismatic or tube-like corallites communicating by mural pores or pore channels or tunnels. Contributions to the knowledge of the Eratoidae. The Neptunea tabulata is a fossil from the Quaternary Period. Show your work. Describe the similarities and differences of physical characteristics in diverse organisms. Eggs are laid in masses of 15 - 65 eggs, deposited on rocks, shells, ropes, and kelp holdfasts. An example would be to say that Mesolenellus hyperborea occurs in the late Nevadella-zone. [2] Neptunea [1] [ ] WoRMS [1] Neptunea acutispiralis Okutani, 1968 Neptunea alabaster Alexeyev & Fraussen, 2005 Neptunea alexeyevi Fraussen & Terryn, 2007 Neptunea amianta (Dall, 1890) Neptunea angulata Neptunea antiqua (Linnaeus, 1758) Neptunea aurigena Fraussen & Terry, 2007 KFJ-STS-QYZD-189), the Shandong Peninsula Coastal Area Ecological Simulation Test Project: Marine Ranch Resource Evaluation and Sustainable Utilization Model Research; NSFC-Shandong Joint Fund for 3.1.7.A3 Explain why the life cycles of different organisms have varied lengths. She observed the amount of bismuth left In the container after regular. That makes it about 295 million years old. Your email address will not be published. X Men Deadly Genesis 1 2 3 4 5 6 Complete Run, Vintage Page Boy Cigarette Pack CB & Advertising Insert, Lot Of 22 ANTIQUE Religious Holy Cards,Germany,Jesus, Vintage 3 Ice Cream Boxes Box 2 Dairy Queen 1 Sealtest, Dop Wax 1 Lb. One idea is that the cold temperatures and the flow of fluid gasses in the planets atmosphere might reduce friction to the point that its easy to generate winds that move so quickly. Cheers. The rest of the ring materials consists of small rocks. Tabulata, commonly known as tabulate corals, are an order of extinct forms of coral. Normally pair of thin-sections is made from transverse and vertical directions of colony growth. BUCCINIDAE - Gastropods by Eddie Hardy - Conchology When astronomer Johann Gottfried Galle actually found the planet in 1846, both mathematicians took credit for the discovery. Characteristics of Lophophyllidium, as determined from study of the genotype species and other Upper Carboniferous and Permian material, are summarized in the following description. Updates? Articles, Great Discoveries: Ancient Gold Bead Found in Jerusalem, Great Discoveries: Woman Finds Ancient Urns During House Cleaning, Great Discoveries: Students Find 2,000-Year-Old Candle. Other important groups that provide index fossils are the corals, graptolites, brachiopods, trilobites, and echinoids (sea urchins). 1-16, pls I-X, by Frank Nolf. Untersuchungen ber die Silurische Formation von Ehstland, Nord-Livland und Oesel. Our editors will review what youve submitted and determine whether to revise the article. Neptunea tabulata[1][2][3] r en snckart som frst beskrevs av Baird 1863. New Eratoids from Papua New Guinea including Kavieng, New Ireland, pp 7-18, pls 1-4, by Dirk Fehse. Heres an excellent paper which provides background on this metazoan common ancestor. Superman ACTION COMICS #403 ('71) 52 Pg VF+ Nice! Fossilworks: Neptunea (Sulcosipho) tabulata Together with strtomatoporoids, rugosans and other fossils in the same community, they are informative in palaeoecology. Their beauty and variety is illustrated by this selection donated to the museum by paleontology collections director Greg Retallack. Neptunea tabulata, Deep Water Shell, 94.6mm, California Shell G1344W | eBay (2007). Previous research has shown that N. cumingii displays aggregation behavior in response to adverse environmental changes. Species Neptunea tabulata. The family Buccinidae. Since Tabulata and Rugosa are thought to have already become extinct at this point, many paleobiologists hypothesize that this new group of corals had not been derived from one of these extinct groups, but came from sponge-like ancestors, just as the two extinct groups did during the Ordovician period. This is similar to the rings of Uranus, but very different than the icy rings around Saturn. Lingulid original shell with preservation of soft pedicle,Lingulella chenjiangensis, Maotianshan Hill, China, Yuanshan Shale, Early Cambrian (Toyonian) - Specimen #P12967, Lingulid part and counterpart, Anomaloglossa porca, Mandurama, New South Wales, Malongulli Formation, Late Ordovician (Sandbian) - Specimen #P9199A-B, Original shell orthid, Platystrophia ponderosa, Carollton, Kentucky, Drakes Formation, Late Ordovician (Katian) - Specimen #P6469A-D, Original shell pentamerid, Kirkidium knighti, Cave Creek, New South Wales, Pocket Beds, Late Silurian (Ludlovian) - Specimen #P2887A, Original shell atrypid, Desquamatia zonata, Yiliang, China, Nagpenji Formation, Middle Devonian (Givetian) - Specimen #P13038, Original thick shelled pentamerid, Stringocephalus burtini, Yiliang, China, Nagpenji Formation, Middle Devonian (Givetian) - Specimen #P13037, Internal mold of spiriferid, Australospirifer ceres, Gydo Pass, South Africa, Voorstehoek Shale, Middle Devonian (Givetian) - Specimen #C14661, Pyritized spiriferid, Paraspirifer brownockeri, Sylvania, Ohio, Silica Shale, Middle Devonian (Givetian) - Specimen #P14846, Internal mold of spiriferid, Mucrospirifer mucronatus, Alfred Station, New York, Alfred Shale, Late Devonian (Famennian) - Specimen #P12771A, Original shell spiriferid, Cyrtospirifer thalattodoxa, Pine Creek, Nunavut, Imperial Formation, Late Devonian (Famennian) - Specimen #P5588, Original shell productid, Dictyoclostus portlockianus, Edwardsville, Kansas, Plattsburg Limestone, Pennsylvanian (Missourian) - Specimen #P11167A, Original shell spiriferid, Neospirifer dunbari, Stacer, Indiana, Shellburn Formation, Pennsylvanian (Desmoinesian) - Specimen #P8358, Prorichthofenid or coral-like brachiopod silicified, Cyclantharia kingorum, Glass Mountains, Texas, Word Formation, Middle Permian (Wordian) - Specimen #P8605, Leptodid or oysterlike brachiopod silicified, Collemataria elongata, Glass Mountains, Texas, Word Formation, Middle Permian (Wordian) - Specimen #P8607, Productid silicified, Paucispinifera auriculata, Glass Mountains, Texas, Word Formation, Middle Permian (Wordian) - Specimen #P8610, Original shell of thick shelled spiriferid, Johndearia isbelli, Gerroa, New South Wales, Westley Park Sandstone, Middle Permian (Capitanian) - Specimen #P12183, Original shell of lingulid, Lingula sp., Articulated and in growth position at end of short burrows. ontribution to the knowledge of the Triviidae. Neptune is still the most distant gas giant. Accessed at https://animaldiversity.org. Just because you disagree doesnt give you the right to overstate your position or understate the validity of the decision itself. One can only hope that future missions will be launched to the outer Solar System that will be able to dig deeper into its many mysteries. Fossilized teeth of mammals have also been used. The fossils found in this period are: Cretaceous Period - Scaphites hippocrepis and Inoceramus labiatus Neptunea tabulata (Baird, 1863) - tabled neptune snail (abapertural view) (public display, Bailey-Matthews Shell Museum, Sanibel Island, Florida, USA) The gastropods (snails & slugs) are a group of molluscs that occupy marine, freshwater, and terrestrial environments. COPEPEDIA molecular info for Neptunea : T4008938 : Genus Not only is Neptune's diameter nearly four times larger than the Earth's, it is 30 times further from the Sun. While every effort has been made to follow citation style rules, there may be some discrepancies. Hastula matheroniana (Gastropoda: Conoidea: Terebridae) revisited, with the description of a new species and the rediscovery of a neglected taxon, pp 29-36, pls 1-3, by Yves Terryn. But others are sure to surprise and maybe even astound you. 1-33, by F. Nolf. Roughly 500 million years ago in the Ordovician period (see table to the left), two orders of stony corals arose. These groups are known as Rugosa and Tabulata. (Do not select paradoxides pinus; this index fossil was selected for the student. The last time this happened was in 1979, which lasted until 1999. Macrofossils have the advantage of being easy to see in the field, but they are rarer, and microfossils are very commonly used by oil prospectors and other industries interested in mineral resources when accurate knowledge of the age of the rocks being looked at is needed. I have since edited this article. Common Name: Tabled Neptune Latin Name: Neptunea tabulata Authority: Baird Year Named: 1863 Location: Eureka, California Size: 3.75 inches We accept money order, personal check, and Paypal. http://whyevolutionistrue.wordpress.com/2013/12/20/the-outgroup-for-animals-ctenophores/, Furthermore, there is now thought to be a direct link between the rugosan corals to modern scleractinia. Neptunea tabulata - Wikipedia But heres the funny thing: Neptune is actually more massive than Uranus by about 18%. INDEX FOSSILS. About the enigmatic Venus simulans G.B. Bryozoa from the Ludlovian of Bjrsjlagard in Skane. Bivalves and brachiopods are both sessile filter feeders, sitting on the seafloor and filtering water for food and oxygen. As you all know specimen shells are some of the most beautiful shells in the world. Their abundance reversed at the end of the Permian, when the greatest of all known mass extinctions eliminated more than 95 percentof Earths ocean species. Physical characteristics 1. Neptunea tabulata[1][2][3] r en snckart som frst beskrevs av Baird 1863. The body of the fossil is very rigid 3. Numidiaphyllum, Kilbuchophyllia) show intermediate forms between rugosa and scleractinia, and the fossil gap is now presumed to indicate a period of skeletal loss. This paper investigates optimum path planning for CNC drilling machines for a special class of products that involve a large number of holes arranged in a rectangular matrix. A.gene flow often prevents genetic drift B.gene flow can decrease variation by having individuals leave C.gene flow can affect, Large scale adaptations of the two-hybrid technique have allowed for determining many protein interactions at once using A.systems biology B.mass spectrometry C.nuclear magnetic resonance imaging, To perform reproductive cloning, one must have an enucleated egg cell, a surrogate mother, and a, In 1974 purple, non-sulfur bacteria were shown to have DNA transferred between cells by gene transfer agents, which seem to be forms of non-replicating, Bacillus thuringienesis bacteria produce a toxin that harms insects. They come from Cass Co., Nebraska. Related Publications: No related publications recorded. Consider the cnidarian planula, poriferan parenchymella, and placozoan and you can get a rough idea of what the common ancestor would look like. Monotis subcircularis. Paleozoic era: Silurian period. [4], Turgeon, D. D., A. E. Bogan, E. V. Coan, W. K. Emerson, W. G. Lyons, W. Pratt, et al. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. Technology is fine, but music production is a human thing. Part II: Shoreline shells Polyplacophora, pp 1-4, pls I-VIII, text figures, by Frank Nolf. At the top of its clouds, temperatures on Neptune can dip down to 51.7 Kelvin, or -221.45 degrees Celsius (-366.6 F). And these are just of the things that make Neptune such a fascinating planet, and one that is worthy of study. Contributions to the knowledge of the Eratoidae. 1, by Dirk Fehse. And so, Neptune has once again become the most distant planet. The controversial IAU decision was made by four percent of its members, most of whom are not planetary scientists, and was opposed immediately by an equal number of professional astronomers in a formal petition led by New Horizons principal investigator Alan Stern. Atlanta, Georgia 30328 | 877.481.5750. Since its smaller but more massive, Neptune has a much higher density than Uranus. WoRMS - World Register of Marine Species - Neptunea tabulata (Baird, 1863) They write new content and verify and edit content received from contributors. Genus Neptunea. How has genetic engineering eliminated the need. 5-30, pls 1-20, figs 1-2, by F. Nolf. But as it is, there is much that people dont know about it. Neptunea is a genus of large sea snails, marine gastropod mollusks in the family Buccinidae, the true whelks.. Neptunea are a large mass of ocean snail like creatures. They belong to the invertebrates, that means they are missing an internal skeleton that supports or protects their organs. But then again, Pluto isnt a planet any more (remember?). Ayer Company Publishing. It is likely that S. aegyptius will feed on the seeds of several species of annual herbaceous plants. 27-31, pls I-II, by Dirk Fehse. 1-26, pls I-XVI, by Frank Nolf. Conodonts may be identified by experts using light microscopy such that they can be used to index a given sample with good resolution. The Permian extinction involved a crisis of low oxygen in the atmosphere that favored the more muscular and actively respiring mollusks over the passively respiring brachiopods. ast' I. Ordovik Zapadnogo Urala i Pribaltiki. They are almost always colonial, forming colonies of individual hexagonal Parasteatoda tabulata is a cobweb spider first described by female found by H. W. Levi in 1980. Eospirifer | fossil brachiopod genus | Britannica Please refer to the appropriate style manual or other sources if you have any questions. [4] Contributions to the knowledge of the Eratoidae. Research the following details about your index fossil: yellowish to white base color splotched with patches of bright red. KGS--Lophophyllid Corals--Systematic Descriptions There are some major flaws with this post. Imagine a hurricane with winds that go up to 2,100 km/hour. This means its greater mass is spread out over a larger volume, and down at the surface, the pull of gravity would be almost identical. neptunea tabulata behavioral characteristics - Continental Valuations B., Gataulina, G. M. 1986. The phylum of Mollusca contains all the animals with a soft (Lat. Neptunea tabulata (Baird, 1863) Laing Ngalan; Neptunea tabulatus Baird, 1863. Pecten Gibbus. Some are composed of silica spicules, and others of calcium carbonate. PaleoDB taxon number: 407356. A new Sulcerato Finlay, 1930 from the Australes, pp 7-10, fig. 2Related organism Neptunea Tabulata in English has Tabled Neptune and in German is Flachrand- Neptunshorn. There is also an increasing amount of data that indicates that ctenophores may actually be the most basally diverging branch of multicellular animal life. PDF The Purisima Formation and Related Rocks (Upper Miocene - Pliocene This animal found a way to survive when a lot of animals did not. Name Authority: WoRMS (World Register of Marine Species) Common Name(s): No common names recorded. The egg masses are deposited on hard substrata such as rocks and boulders, and maturation takes 3 years or more ( Fujinaga, 2003). Neptunea tabulata (Baird 1863) - social darwinism social gospel theories.docx, 6.03 origin and evolution of life activity.pptx, Academy of Business Computers (Karimabad), Karachi, FLVS Origin and Evolution of Life Presentation.pdf, I think I am ready for the race and the preparations are going on well Makae, The buildings state of occupancy also influences the amount of damage that could, Which of the following options are the methods that Traffic Manager uses to pick, Society is an essential condition for the production of material goods which are, amount of money allotted is represented as a proportion of the total budget, 2 Prepare an income statement a retained earnings statement and a balance sheet, 4 Our audit involves performing procedures to obtain audit evidence about the, MGMT404 Course Project RhamaraPowell.docx, using another nations money is to gain stability If the foreign country is, 7106 For high value or complex procurements a person with legal expertise should, EDU 5023-Module 2-Theories of Learning in the Movies.docx, Get permission to copy from this publication wwwsaiglobalcomlicensing IEC 60079, A hospital acquired infection is also called which of the following a Nosocomial, Oral Presentation_Listening Guide and Self-Assessment-1.docx, PROJECT 2_THERMAL SYSTEM ANALYSIS_ME43000.pdf, BBA 307 Information Systems Management Lab CO1 Describe the role of information, The expression of different characteristics due to having different alleles or differences in expressing allele combinations is known as A.mutational anomalies B.polymorphisms C.phenotypic, Which one of the following statements is NOT true about gene flow? The fossil itself is the shell of the animal. [4][5] Waray hini subspecies nga nakalista. Aggregation behavior of juvenile Neptunea cumingii and e ects on seed production* YU Technology and Demonstration Application of Dandong Characteristic Beach Type Marine Ranch (No. If these two groups abruptly became extinct, leaving our planet virtually devoid of corals, how do living coral species exist on earth today? Our website has detected that you are using an outdated insecure browser that will prevent you from using the site. http://www.biomedcentral.com/1471-2148/11/316. Gallery Caption (Only for Collections Gallery Images), University of Oregon Comparative Primate Collection, The museum is located onKalapuya ilihi, the traditional homeland of the Kalapuya people, many of whom are now citizens of the. 14 by clicking on the covers, Acesta gabrieli sp. They are almost always colonial, forming colonies of individual hexagonal cells known as corallites defined by a skeleton of calcite, similar in appearance to a honeycomb. Polyps lived inside corallites as chambers . Sorry, we do NOT ship to foreign addresses. Neptunea (Tabulata-group) tabulata - Gastropods by Eddie Hardy - Conchology 01.23. Too much of anything is not, Andria is conducting an experiment to determine whether a new medication is effective in reducing swelling. Consistent with the theory that Triton was a Kuiper Belt Object (KBO) that was seized by Neptunes gravity (see below), they are believed to be the result of a collision between some of the planets original moons. Voyager 2 also viewed Neptunes Great Dark Spot, the rotating storm system which has since disappeared, according to observations by the Hubble Space Telescope. Stop 5: Related Organisms Due to their Genus, the Neptunea tabulata are quite related to sea snails. Download digital versions of vol. ITIS - Report: Neptunea Neptunea tabulata - More about this species: Commercial designations, Production methods and fishing gears, EU quality schemes and nutrition values, Conservation measures, Marketing standards, Species distribution and habitat, Species description, Combined Nomenclature Neptunea tabulata ingr i slktet Neptunea och familjen valthornssnckor. Dwarf planets are planets too. Description: Neptunea tabulata. Develop a model to illustrate how Earth's internal and surface processes operate at different spatial (size) and temporal (time) scales to form continental and ocean floor features. Neptunea tabulata, Deep Water Shell, 94.6mm, California Shell G1344W: Condition:--not specified. Neptunea (Tabulata-group) tabulata (Baird, W., 1863) Tabled Neptune/Whelk Shell size 75 - 114 mm Pacific Canada - S California, USA Pecten Gibbus Characteristics Physical Pecten is ranked as a large scallop or saltwater clam. Course Hero is not sponsored or endorsed by any college or university. Index fossils (also known as guide fossils, indicator fossils or zone fossils) are fossils used to define and identify geologic periods (or faunal stages). The control group, Missionary Response As a member of the Louisian community; having been formed by and learned from the CICM mission, in what way/s can you emulate and live out the CICM Missionary identity? We ship UPS only to addresses in the United States so that we can easily track the item(s) being shipped. 5. Favositids are characterized by closely packed corallites with mural-pores and their morphology is so variable that it differs even within a colony. 1680 East 15th Avenue A dark-marginated form of Zonaria pyrum (Gmelin, 1791) (Mollusca: Gastropoda: Cypraeidae) from Lebanon: further evidence of a wrongly assumed subspecies, pp. neptunea tabulata age On to the tour: Physical Description: Biological Evolution At a glance, the Neptunea Tabulata looks like a large shell. Tabulates, subclass or order Tabulata, are extinct corals of anthozoans. XVII. Important editorial note, pp. Neptunea tabulata - Wikiwand XII. http://www.ecolevol.de/pubs/2012/Osigus_MPE_2012.pdf, Your email address will not be published. neptunea tabulata facts From 2002 to 2005 papers were Fossilworks hosts query, analysis, and download functions used to access large paleontological data sets. Perhaps it is because Neptune is the most distant planet from our Sun, or because so few exploratory missions have ventured that far out into our Solar System. Wooo eee this was amazing! Brochure.rtf - Origin and Evolution of Life Neptunea Tabulata January Unlike bivalves, brachiopods are symmetrical along the midline of the shell, which inspired the Chinese name "stone butterflies." Neptunea tabulata - Allspira Molecular Phylogeny of Neptunea 123 Table 1. The most noticeable impact of S. aegyptius in California will likely be the presence of large numbers of nymphs and adults migrating from drying annual weeds into adjacent developed areas. Catalogue Of A Large Collection Of Ancient Glass And Other Antiquities, Catalogue Of Highly Valuable Paintings, Art Property And Antiquities, Tw, Cypriote & Classical Antiquities, Duplicates Of The Cesnola & Other Coll, The Collection Of Mrs. E. S. Benjamin, New York City, Ancient Greek, Rom, Catalogue Of Siamese And Cambodian Antiquities, Curios And Relics, Inclu. Think a hurricane is scary? Some of them, you might already know. Species Neptunea tolomia Dall, 1919 accepted as Boreotrophon tolomius (Dall, 1919) (original combination) Species Neptunea virgata Friele, 1879 accepted as Anomalisipho virgatus (Friele, 1879) Subgenus Neptunea (Barbitonia) Dall, 1916 represented as Neptunea Rding, 1798. Neptuneatabulata (Baird, 1863) Taxonomic Serial No. Originally thought to be a large cloud itself, the information gathered by Voyager helped to shed light on the true nature of this phenomenon. However, a possible Flagship Mission has been envisioned by NASA to take place sometime during the late 2020s or early 2030s. They have simple calcareous skeleton, colonies consisting of prismatic or tube-like corallites communicating by mural pores or pore channels or tunnels. Adjacent cells are joined by small pores. UO prohibits discrimination on the basis of race, color, sex, national or ethnic origin, age, religion, marital status, disability, veteran status, sexual orientation, gender identity, and gender expression in all programs, activities and employment practices as required by Title IX, other applicable laws, and policies. Clams and their relatives are much more efficient at extracting oxygen from seawater, so they were more successful after the extinction. Character designs are done by Hitomi Takechi, based on the original designs by Tsunako along with art direction by Masanobu Nomura and sound direction by Jin Aketagawa. Save my name, email, and website in this browser for the next time I comment. Fortitudo Bologna Stats, Bathyurus extans. However, since he did not identify it as a planet, he is not credited with the discovery. Desi Perkins Wedding, 111 West Second Street, Perrysburg, Ohio 43551 | 419.873.0412. [4] The phylogenetic analyses corroborate the taxonomic integrity of the presently defined Auloporida, Favositida, Halysitida, Heliolitida and most Sarcinulida and falsify the taxonomic integrity of the Chaetetida and the Lichenariida. Neptunea tabulata: 1: 0: 0: Neptunea ventricosa: 1: 0: 0: GRAND TOTAL: 32: 11: 2: She gets 1,000 volunteers with swelling and divides them into 2 groups. The first person to have seen Neptune was likely Galileo, who marked it as a star in one of his drawings. Modiolus gallicus(Dautzenberg, 1895) a cryptic mussel from the NE Atlantic appears merely to be a juvenile form of Modiolus modiolus(Linnaeus, 1758), pp 7-11, pls 1-20, figs 1-5, table 1, by Frank Nolf, Johan Verstraeten & Steve Hubrecht. nov., pp 12-23, 1 text fig., pls I-40, by Frank Nolf and Steve Hubrecht, Barnea pseudotruncata (Mollusca: Bivalvia: Pholadidae), a new species from Western Sahara (Morocco, W Africa), pp 1-5, 1 map 1, 1 table, 2 text figs, pls I-VII, by frank Nolf & Johan Verstraeten, About the presence ofPholas dactylus Linnaeus, 1758 (Mollusca: Bivalvia: Pholadidae) in West African and South African waters, pp 13-16, 1 map, 2 text figs, pls I-III, by Frank Nolf, Acesta arnaudi (Mollusca: Bivalvia: Limidae), a new species from the southwestern Indian Ocean, pp 21-28, 3 maps, 2 tables, 2 text figs, pls I-XI, by Frank Nolf, Confirmation of the range extension of Schilderina achatidea (Gray, 1837) (Mollusca: Gastropoda: Cypraeidae) from Galicia (Spain) in the north towards northern Namibia in the south of the Eastern Atlantic, pp 1-7, 1 map, pls I-IV, by Frank Nolf, Mulinia lateralis (Say, 1822) (Mollusca: Bivalvia: Mactridae): comparison between native and introduced populations, and differences with Spisula subtruncata (da Costa, 1778), pp 8-11, 1 map, 1 table, 4 text figs, pls I-V, by Frank Nolf, Description of a new species in the genus Cymbium (Mollusca: Gastropoda: Volutidae) from Cameroon, pp 19-22, 1 map, pls I-XII, by Frank Nolf, Two new species of Terebridae from Ecuador, pp 35-39, pl 1, by Yves Terryn.