neptunea tabulata physical characteristics

WebStudy with Quizlet and memorize flashcards containing terms like Phylogeny, Cambrian Explosion, Punctuated Equilibrium and more. Model by Emily Hauf. on Sketchfab. Some lack a Model by Emily Hauf. , Ithaca, New York. This newfound behavior may offer a clue to how these reptiles will respond to a warming planet. Part boulder, part myth, part treasure, one of Europes most enigmatic artifacts will return to the global stage May 6. Merge Dragons Secret Levels Golden Meadow, The genus includes medium-sized, straight to curved, solitary corals of conical to conical-cylindrical shape. Questions may be referred to the Title IX Coordinator, Office of Affirmative Action and Equal Opportunity, or to the Office for Civil Rights. Taste is old and no flavor with far les salt on the Original Wheat Thins packages, My fiance and I are very healthy eaters, wheat thins have become a treat for us We typically buy 1-2 boxes a week! Photographs of this specimen are above. WebNeptunea Tabulata By: Luana Beltran Physical Characteristic s: Body Symmetry: Dextrally Coiled Body Length: 89.7 mm Body Volume: 38.3 cm^3 Cellularity Multicellular The Save my name, email, and website in this browser for the next time I comment. Photographs of an additional specimen from this same lot is above. 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. Interactive 3D model of Emmonsia emmonsii from the Devonian Onondaga Limestone of Genesee County, New York (PRI 76736). (Ed.) Their abundance reversed at the end of the Permian, when the greatest of all known mass extinctions eliminated more (2001). The family Buccinidae. epibenthic) Found on muddy [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 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. from the Silurian of Delaware County, Iowa (PRI 76737). American Fisheries Society Special Publication, 26. XVII. Neptunea tabulata (Baird, 1863) Tabled whelk Upload your photos Google image | No image available for this species; drawing shows typical species in Buccinidae. 526. An interactive 3D model of an additional specimen from this lot is immediately below. Only one ancient account mentions the existence of Xerxes Canal, long thought to be a tall tale. Upload your photos. We are the first to admit that not everyone of our shells is the highest grade of specimen, but this allows for collectors to add to their collections without breaking the bank. We thought we knew turtles. Tabulate coral: Emmonsia emmonsii (PRI 76736) Tabulate Coral: Favosites tuberosa (PRI 54955) Contributions to the knowledge of the Eratoidae. Contributions to the knowledge of the Eratoidae. 1, by Yves Terryn. 1-16, pls I-X, by Frank Nolf. Astronomy Cast has some interesting episodes about Neptune. National Science Foundation All rights reserved. One Great Dark Spot captured by Voyager 2 in 1989 could have fit an entire Earth inside. of Genesee County, New York (PRI 76739). We make safe shipping arrangements for your convenience from Baton Rouge, Louisiana. While every effort has been made to follow citation style rules, there may be some discrepancies. Our Staff; Services. Designed by BnH Hosting and Design, LLC All Rights Reserved 2020 San Juan Center for Independence. Future of an Ocean Planet Activity Worksheet, Natural Selection Simulation rabbit lab-1.doc. Specimen is from the collections of thePaleontological Research Institution, Ithaca, New York. across individual corallites (the spaces occupied by a single, living polyp). A specimen of chain coral (Halysites sp.) Genus Neptunea. FMIB 52855 Chrysodomus decemcostatus.jpeg 216 312; 40 KB. American Fisheries Society: Bethesda, MD (USA). http://creativecommons.org/licenses/by/4.0/, http://creativecommons.org/licenses/by-nc/4.0/, http://creativecommons.org/publicdomain/zero/1.0/. New species in the genus Hespererato F.A. encrusting uponFavositessp. They do, at some point in their evolutionary history, share a common ancestor with corals just as they do with anything else on this planet. Written By: Tabulata, major division of extinct coral animals found as fossils in Ordovician to Jurassic marine rocks (488 million to 146 million years old). Tabulata is characterized by the presence of interior platforms, or tabulae, and by a general lack of vertical walls, or septa. Neptune has 17 times the mass of Earth, but also has almost 4 times larger. Cladopora sp. Zapalski, M. 2014. From Wikipedia article at 159 pp., 154 pls. Copper, P. 1985. Turgeon, D., Quinn, J. F., Bogan, A. E., Coan, E. V., Hochberg, F. G., Lyons, W. G., Mikkelsen, P. M., Neves, R. J., Roper, C. F. E., Rosenberg, G., Roth, B., Scheltema, A., Thompson, F. G., Vecchione, M., Williams, J. D. (1998). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. The genus Tomellana (Mollusca: Gastropoda: Clavatulidae) in West Africa: a comprehensive survey and establishment of Fusiturris kribiensis Bozzetti, 2015 as a junior synonym, pp. Neptuneatabulata (Baird, 1863) Taxonomic Serial No. Unfortunately, it is rather difficult to observe compared to Saturns bright, bold ring; which is why it is not so well-recognized. from the Devonian Onondaga Limestone of Williamsville, New York (PRI 76821). See photographs of this specimen above. Tabulata is characterized by the presence of interior platforms, or tabulae, and by a general lack of vertical walls, or septa. Syringopora geniculatafrom the Lower Carboniferous (Mississippian) of Derbyshire, England (PRI 76820). Create Your Free Account or Sign In to Read the Full Story. 31-36, pls 1-4, by F. Nolf & F. Swinnen. Shelling on Sint-Maarten/Saint Martin, the Friendly Island, Part I: Introduction and land mollusca, pp. Their skeletons were constructed primarily of calcite. Unlike rugose and scleractinian corals, most tabulate corals did not have septa. Thanks for the suggestions, Joe. Contributions to the knowledge of the Eratoidae. Here is one about the Rings of Neptune, the Moons of Neptune, Who Discovered Neptune?, and Are There Oceans on Neptune? What Is New Zealand Time Zone On Ps5, Fossils like this are very common in the carbonates of the Niagara Escarpment. Model by Emily Hauf. 32-36, pls I-III, by Frank Nolf. WebNeptunea tabulata (Baird, 1863) Tabled Whelk subtidal, 30-400m size to 11cm southern California to southern Alaska; Japan This is one Neptune that is easy to identify. Fossils are from the Ordovician Richmond Group of Oxford, Ohio (PRI 76817). In a recent study, Zapalski (2014) studied isotopes of oxygen and carbon derived from the skeletons of Silurian to Permian tabulate corals (including species of Favosites, Syringopora, and Aulopora; see examples below) and found that some specimens had isotopic values consistent with those of modern hexacorals that harbor zooxanthellae. Specimen is from the collections of thePaleontological Research Institution, Ithaca, New York. The family Buccinidae. WebStop 1: Physical and Behavioral Characteristics Physical characteristics Presence of tabulae Lack of septa Colonial masses comprised relatively large structures Rugose means wrinkled. Pleurodictyum americanum from the Devonian Moscow Formation of Ontario County, New York (PRI 76811). Were sorry, but GBIF doesnt work properly without JavaScript enabled. McLean J.H. Auloporasp. See photographs of this specimen above. Neptunea is a genus of large sea snails, marine gastropod mollusks in the family Buccinidae, the true whelks. A virtual tour is a way to inform someone of the facts and details about a location or object that, would otherwise be inaccessible. These corals maintained their oceanic dominance until the mysterious Permian Triassic extinction, which is thought to have been responsible for their demise. 1952. Examples of these and more are provided below. As noted above, all tabulate corals were colonial, as demonstrated by the two specimens shown immediately below. Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Neptunea (Cumingi-group) subdilatata (Yen, T.C., 1936) Shell size 85 - 110 mm S Korea; Kyushu, Japan Excursion B2: Lower Paleozoic geology and corals of Estonia. An interactive 3D model of this specimen is immediately below. : 74022 (Download Help)NeptuneatabulataTSN 74022 Taxonomy and Nomenclature Taxonomic Hierarchy References Geographic Information Comments Comment: Subordinate Taxa Rank Verified Standards Met Verified Min Standards Met Unverified Neptunea arthritica is a large predatory marine snail. Neptunea tabulata[1][2][3] r en snckart som frst beskrevs av Baird 1863. Nature 316: 142-144. from the Devonian Onondaga Limestone of Ontario, Canada (PRI 70773). nov., a new species of Duplicaria (Gastropoda: Terebridae) from SE India, pp 25-27, pl. 16 juin 2022 parasitism in the sonoran desert. WebFacebook page opens in new window. Species Neptunea See photographs of this specimen above. Fossil is from the Devonian Ludlowville Fm. XIII. Specimen is from the collections of thePaleontological Research Institution, Ithaca, New York. Disclaimer: 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. Hexacorals are thought to have had this association with zooxanthellae as far back as the Triassic period, when they first appeared. , Ithaca, New York. Neogastropoda: information (1) Neogastropoda: pictures (27) Neogastropoda: specimens (7) Family Buccinidae. Tabulae (singular, tabula; from the Latin for board or tablet) are horizontal plates that span across individual corallites (the spaces occupied by a single, living polyp). To approach a question 400 million years in the making, researchers turned to mudskippers, blinking fish that live partially out of water. Tabulata is characterized by the American Fisheries Society Special Publication, 26. The fossils found in this period are: Cretaceous Period - Scaphites hippocrepis and Inoceramus labiatus Adjacent cells are joined by small pores. Accessed at https://animaldiversity.org. 1 to vol. Contribution to the knowledge of the Triviidae. Not only is Neptune's diameter nearly four times larger than the Earth's, it is 30 times further from the Sun. In March of 2019, astronomers revealed for the first time that, Copyright 1996-2015 National Geographic SocietyCopyright 2015-2023 National Geographic Partners, LLC. Evidence of photosymbiosis in Palaeozoic tabulate corals. 4.0 4.1; Mga sumpay ha gawas Venericardia, genus of pelecypods (clams) abundant during the Eocene Epoch (the Eocene Epoch began 57.8 million years ago and ended 36.6 million years ago). In: A Conchological Iconography [Directed by Guido T. Poppe & Klaus Groh]. Turgeon, D. D., J. F. Quinn, Jr., A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, et al., 1998: Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks, 2nd ed.. American Fisheries Society Special Publication 26. Favosites favosus from the Silurian of Delaware County, Iowa. Corrections? Neptunea is a huge group of animals that look like sea snails. Length of specimen is approximately 10 cm. Contributions to the knowledge of the Eratoidae. The Animal Diversity Web is an educational resource written largely by and for college students. on Sketchfab. nov. versus Acesta celebensis (P. Bartsch, 1913) (Mollusca: Bivalvia: Limidae), pp 1-4, 1 map, pls I-11, by Frank Nolf, A critical assessment of the genus Acesta (Mollusca: Bivalvia: Limidae) in the Indo-West Pacific Ocean, with the description of Acesta lemuriensis sp. This service is powered by LifeWatch Belgium, https://books.google.fr/books?id=MMdJAQAAIAAJ, To Biodiversity Heritage Library (18 publications), To Biodiversity Heritage Library (38 publications), To USNM Invertebrate Zoology Mollusca Collection. Webneptunea tabulata physical characteristics. Tabulate coral: Favosites favosus (PRI 76737) Halysites catenularia (PRI 70775) Tabulate coral: Halysites catenularia (PRI76738) They belong to the invertebrates, that means they are missing an internal skeleton that supports or protects their organs. Class Tabulatathe "tabulate corals" originated in the Early Ordovician period and went extinct at the end of the Permian period. Sowerby I, 1844: a comparative study of the morphological variations in Venus verrucosa Linnaeus, 1758 (Mollusca: Bivalvia: Veneridae) in the Mediterranean and East Atlantic waters, by Frank Nolf. 2nd ed. Specimen is from the collections of thePaleontological Research Institution, Ithaca, New York. 31-36, pls 1-4, by F. Nolf & F. Swinnen. 1953. 25-29, 1 map, pls I-II, by Arne Ghys, Clelandella namibiensis (Gastropoda: Trochoidea: Trochidae: Cantharidinae), a new species from SW Africa, pp. Shell ID: 1244 . The Animal Diversity Web (online). Enjoy your weekend. Interactive 3D model of Halysites catenulariafrom the Silurian Niagara Group of Jefferson County, Kentucky (PRI 76738). Some Upper Silurian tabulata from Lezyce-Belcz section (Holy Cross Mts.). 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. There are some major flaws with this post. Model by Emily Hauf. Colubraria pulchrafuscata Dekkers, 2007: a junior synonym of Colubraria springsteeniParth, 1991, pp 1-3, pls 1-3, table 1, by David Monsecour & Kevin Monsecour. 2020 Regents of the University of Michigan. [4] Transverse ribs radiate from the apex of the valves Tabulates are large, but their finer taxonomy is observed only from peels and thin-sections. 3. Let us know if you have suggestions to improve this article (requires login). Updates? The Neptunea Tabulata is a fossil from the most recent period, therefore it has not drastically changed over time. Tabulate coral: Favosites sp. What we can learn from Chernobyl's strays. ), Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. Protarea richmondensis encrusting upon brachiopod specimens. The Animal Diversity Web team is excited to announce ADW Pocket Guides! How many, On the word Document is the info to answer these questions, that are the ones that I need answered Were any of the features used in more than one Phyla? This suggests that some Paleozoic tabulate corals harbored photosynthetic zooxanthellae, just like some modern corals. The association and configuration of corallites relative to one another, however, varied considerably between different groups of Tabulata (see examples below). While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control. Syringopora hisingeri from the Devonian of Logan County, Ohio (PRI 76818). Note the absence of septa. Shrock, R. R., and W. H. Twenhofel. XII. Emmonsia emmonsii from the Devonian Onondaga Limestone of Genesee County, New York (PRI 76736). They write new content and verify and edit content received from contributors. 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. 2023. This page was last updated April 27, 2020. Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York (PRI 76737). 1, by Dirk Fehse. This stone has a mysterious past beyond British coronations, Ultimate Italy: 14 ways to see the country in a new light, 6 unforgettable Italy hotels, from Lake Como to Rome, A taste of Rioja, from crispy croquettas to piquillo peppers, Trek through this stunning European wilderness, Land of the lemurs: the race to save Madagascar's sacred forests. by Digital Atlas of Ancient Life How do we reverse the trend? See photos of this specimen above. Find out about the blue world's orbit, which of Neptune's moons is the largest, and how the planet is Note that the coralites of the specimens shown below have polygonal shapes, giving them a honeycomb-like appearance. But don't let its quiet azure hues fool you: The eighth planet from the sun is a wild child. by Digital Atlas of Ancient Life WebA good index fossil is one with five characteristics: it is distinctive globally widespread abundant limited to a particular geologic time and is robust and preserves well Most fossil volume 9: 1-160. Halysites catenulariafrom the Silurian Niagara Group of Jefferson County, Kentucky (PRI 76738). About the enigmatic Venus simulans G.B. Weblinda rubin watson today; cross country cycling blog; kevin maguire obituary; will the p ebt card be reloaded in 2021; personas mayores que repiten lo mismo muchas veces The Prosobranchia. Model by Emily Hauf. The discovery of these polyps also confirmed that Tabulata are indeed Cnidarians, rejecting the hypothesis of some earlier workers that this group belonged with the sponges. [1] Species [ edit] According to the WebShells for sale: Malacology, marine, landsnails and freshwater A.gene flow often prevents genetic drift B.gene flow can decrease variation by having individuals leave C.gene flow can affect. ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. WebTabulates, subclass or order Tabulata, are extinct corals of anthozoans. Share this Content PalAss Go! The Digital Atlas of Ancient Life project is managed by thePaleontological Research Institution, Ithaca, New York. Tabulata, major division of extinct coral animals found as fossils in Ordovician to Jurassic marine rocks (488 million to 146 million years old). by | Jun 29, 2022 | hertz penalty charge different location | is cora harper related to the illusive man | Jun 29, 2022 | hertz penalty charge different location | is cora harper related to the illusive man Access Loan New Mexico Tabulates, unlike rugosans, were always colonial organisms. Course Hero is not sponsored or endorsed by any college or university. Axolotls and capybaras are TikTok famousis that a problem? Neptunea is a genus of large sea snails, marine gastropod mollusks in the subfamily Neptuneinae of the family Buccinidae, the true whelks. Genus Neptunea. Schilder, 1925, pp. from Niagara County, New York (PRI 76819). Neptunea tabulata (Baird, 1863) . 1, by Dirk Fehse. Search in featureTaxon InformationContributor GalleriesTopicsClassification. A new species in the genus. Neptune is the windiest planet in our solar system, whipping up momentous gusts that can reach more than 1,200 miles an hour. These groups are known as Rugosa and Tabulata. 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. Halysites catenularia from the Silurian of Illinois or Wisconsin (PRI 70775). on Sketchfab. As the windiest, furthest, and faintest planet in our solar system, Neptune is a fascinating world of superlatives. Neptunea (Tabulata-group) tabulata (Baird, W., 1863) BUCCINIDAE BUCCININAE COLINI Neptunea (Tuberculata-group) nodositella Fraussen, K. & Y. Terryn, 2007 . on Sketchfab. But then again, Pluto isnt a planet any more (remember?). (urn:lsid:marinespecies.org:taxname:491192), The webpage text is licensed under a Creative Commons Attribution 4.0 License, (urn:lsid:marinespecies.org:taxname:491192). As demonstrated by the genus-level plot of their diversity through time (see below), tabulate corals suffered badly during the Late Devonian extinction event and never again reclaimed their former levels of diversity. An interactive 3D model of this specimen is immediately below. Click below to begin your paid subscription. American Fisheries Society: Bethesda, MD (USA). Specimen is from the collections of thePaleontological Research Institution, Ithaca, New York. The gory history of Europes mummy-eating fad, This ordinary woman hid Anne Frankand kept her story alive, This Persian marvel was lost for millennia. WebNeptunea tabulata. According to the Paleobiology Database, there are a total of 58 families of tabulate corals, 376 genera, and 511 species. Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Turgeon, D. D., A. E. Bogan, E. V. Coan, W. K. Emerson, W. G. Lyons, W. Pratt, et al., 1988: Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks. Fraussen K. & Terryn Y. Contribution to the knowledge of the Eratoidae. Principles of Invertebrate Paleontology, Second Edition. In cases where septa are present, they are usually very small (see example of Protarea richmondensis below). (PRI 76739) Longest dimension of specimen is approximately 12 cm. ), Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel. The Mollusca Part 2 The Gastropoda. Santa Barbara Museum of Natural History. Chonostegites sp. (2007). The Neptunea Tabulata is a fossil from the most recent period, the Quaternary period of Cenozoic Era. The fossil is the shell of the Neptunea,which are small snail like creatures from the ocean. X. 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. Specimen is from the collections of thePaleontological Research Institution, Ithaca, New York. Important editorial note, pp. 1.2 Rugosa This article was most recently revised and updated by, https://www.britannica.com/animal/Tabulata, University of California Museum of Paleontology - Introduction to the Tabulata, Hooper Virtual Natural History Museum - Tabulata. 14 by clicking on the covers, A new look at East Atlantic calliostomatids, resulting in the introduction of two new species, pp. The following 8 files are in this category, out of 8 total. Nabisco - WTH Happened to Original Wheat Thins? New species in the genus Proterato F.A. , Ithaca, New York. Physical characteristics 1. How this animal can survive is a mystery. Call (225) 687-7590 or + 14moretakeoutloving hut vegan house, dophert, and more today! The Animal Diversity Web (online). The shorter the lifespan of a species, the more precisely different sediments can be correlated, and so rapidly evolving types of fossils are particularly valuable. I-XIX, pp. Description: Neptunea tabulata. Contribution to the knowledge of the Eratoidae. WebNeptunea is a genus of large sea snails, marine gastropod mollusks in the subfamily Neptuneinae of the family Buccinidae, the true whelks. Specimen is from the collections of thePaleontological Research Institution, Ithaca, New York. They come from Cass Co., Nebraska. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Aims pursued by the 'Neptunea' group: Initiation of members into collecting skills. The distribution of species belonging to the genus Cymbium (Mollusca: Gastropoda: Volutidae) in Angolan waters and the description of a new species, pp 1-36, pls I-XXVIII, by Frank Nolf. Inside South Africas skeleton trade. What about Paleozoic corals? To save chestnut trees, we may have to play God, Why you should add native plants to your garden, What you can do right now to advocate for the planet, Why poison ivy is an unlikely climate change winner. Stop 3: Phylogeny and Biological Evolution, Over time it has come to develop into a having a. feeding type of both a scavenger and a predator. 17-37, pls I-XIII, by Frank Nolf. 95344 ) Biology Glossary (e.g. 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. 87.74mm, F++/F+++, W/O, small chips at lips, growth scars. Colonial masses of these tabulate corals sometimes comprised sizable structures. 1-34, 2 maps, 4 tables, pls I-XXIII, by Frank Nolf & Steve Hubrecht, The presence of Monoplex krebsii (Mrch, 1877) (Mollusca: Gastropoda: Cymatiidae) in Angolan waters, pp.