Diestoceras Foerste, 1924
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publication ID |
https://doi.org/10.5852/ejt.2025.978.2801 |
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publication LSID |
lsid:zoobank.org:pub:422E6F06-B4C8-4840-854C-811145D88B32 |
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DOI |
https://doi.org/10.5281/zenodo.14988516 |
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persistent identifier |
https://treatment.plazi.org/id/93268783-9634-7064-FDA7-FEB1FDA7FD34 |
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treatment provided by |
Plazi (2025-03-07 10:46:31, last updated 2025-03-07 11:32:00) |
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scientific name |
Diestoceras Foerste, 1924 |
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Genus Diestoceras Foerste, 1924 View in CoL
Type species
Gomphoceras indianense Miller & Faber, 1894 , Versailles, Indiana, USA, upper part of Hudson River group, Late Ordovician; by original designation.
Diagnosis
Short diestoceratids with straight or slightly curved shell, and circular conch cross section; conch reaches largest diameter at adoral end of mature phragmocone, contracting to aperture; peristome straight, transverse, with shallow hyponomic sinus; siphuncle positioned near conch margin, cyrtochoanitic; segments subquadrate in longitudinal section; thin annulosiphonate deposits with distinctive irregular linear processes, which extend adapically and adorally without fusing from segment to segment. (Compiled from Sweet 1964b.)
Foerste A. F. 1924. Notes on American Paleozoic cephalopods. Denison University Bulletin, Journal of the Scientific Laboratories 20: 193-268.
Miller S. A. & Faber C. L. 1894. New species of fossils from the Hudson River Group and remarks upon others. The Journal of the Cincinnati Society of Natural History 17: 22-33. Available from https://www.biodiversitylibrary.org/page/44085432 [accessed 20 Jan. 2025].
Sweet W. C. 1964 b. Oncocerida. In: Moore R. C. (ed.) Treatise on Invertebrate Paleontology, Part K, Mollusca 3: K 277 - K 319. University of Kansas Press, Boulder, CO.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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