Palaeodawsonocerina 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.14988466 |
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persistent identifier |
https://treatment.plazi.org/id/93268783-9668-7038-FE14-FB5DFED3F96A |
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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 |
Palaeodawsonocerina Kröger & Isakar, 2006 |
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Genus Palaeodawsonocerina Kröger & Isakar, 2006
Type species
Spyroceras senckenbergi Teichert, 1930 , Saaremõisa (Lyckholm), N of Haapsalu, Kõrgessaare Formation, Vormsi Regional Stage; by original designation.
Diagnosis
Straight or slightly cyrtoconic, circular or subcircular shell, with prominent, narrowly spaced annulations, growth lines, and numerous subordinate filiform longitudinally raised lines, producing a fine reticulate pattern; siphuncle central or slightly eccentric, slightly expanded, with achoanitic to very short orthochoanitic septal necks; apex blunt, slightly cyrtoconic, annulated. (Adopted from Kröger & Isakar 2006.)
Kroger B. & Isakar M. 2006. Revision of annulated orthoceridan cephalopods of the Baltoscandic Ordovician. Fossil Record 9 (1): 139-165. https://doi.org/10.1002/mmng.200600005
Teichert C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Palaontologische Zeitschrift 12: 264-312. https://doi.org/10.1007/BF03044452
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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