Striatocycloceras Kröger & Isakar, 2006
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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.14988450 |
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persistent identifier |
https://treatment.plazi.org/id/93268783-966E-703E-FDF1-FEB1FD8FFC8C |
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treatment provided by |
Plazi |
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scientific name |
Striatocycloceras Kröger & Isakar, 2006 |
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Genus Striatocycloceras Kröger & Isakar, 2006
Type species
Orthoceras undulostriatum Hall, 1847 from Middleville, New York, USA, Trenton Formation, late Katian; by original designation.
Diagnosis
Slender orthocones with circular or slightly compressed conch cross section, with asymmetrically curved septa and straight transverse or slightly oblique sutures; sutures parallel, or nearly so, to the annulations; annulations slightly irregularly spaced, with fine transverse ornament; siphuncle eccentric, narrow, tubular, or slightly expanded within the chambers; septal necks orthochoanitic; cameral and endosiphuncular deposits not known. (Adopted from Kröger & Isakar 2006.)
Comparison
Anaspyroceras Shimizu & Obata, 1935 differs from Striatocycloceras in having a fine longitudinal ornamentation. Leurocycloceras Foerste, 1928a is similarly ornamented to Striatocycloceras but differs in having long septal necks.
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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Endoceratoidea |
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