Palaeodawsonocerina Kröger & Isakar, 2006

Kröger, Björn, 2013, The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden, European Journal of Taxonomy 41, pp. 1-110 : 34

publication ID	https://doi.org/10.5852/ejt.2013.41
publication LSID	lsid:zoobank.org:pub:A2F1B9ED-870A-466E-B35E-BD5DA782476E
DOI	https://doi.org/10.5281/zenodo.3815208
persistent identifier	https://treatment.plazi.org/id/AD4D9054-CD45-6A47-F384-4481FACCFA8E
treatment provided by	Carolina (2020-05-07 19:54:00, last updated by Valdenar 2025-03-03 12:23:23)
scientific name	Palaeodawsonocerina Kröger & Isakar, 2006
status

Treatment

Genus Palaeodawsonocerina Kröger & Isakar, 2006

Type species

Spyroceras senckenbergi Teichert, 1930 , from Lyckholm, Estonia; “Lyckholm stage” of Teichert (1930), Vormsi/Pirgu Regional Stage, late Katian, Late Ordovician.

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 finely reticulate pattern. Siphuncle central or slightly eccentric, slightly expanded, with achoanitic to very short orthochoanitic septal necks. Apex blunt, slightly cyrtoconic, annulated. (From Kröger & Isakar 2006.)

References

Kroger B. & Isakar M. 2006. Revision of annulated orthoceridan cephalopods of the Baltoscandic Ordovician. Fossil Record 9: 139 - 165. http: // dx. doi. org / 10.1002 / mmng. 200600005

Teichert C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Palaontologische Zeitschrift 12: 264 - 312.