Cephalopoda

Palaeodawsonocerina Kröger et Isakar, 2006

Taxon description

Kröger & Isakar, 2006

Diagnosis. Straight or slightly cyrtoconic, circular or subcir-cular shell, with prominent, narrowly spaced annulations,growth lines, and numerous subordinate filiform longitudin-ally raised lines, producing a fine reticulate pattern. Siphun-cle central or slightly eccentric, slightly expanded, withachoanitic to very short orthochoanitic septal necks. Apexblunt, slightly cyrtoconic, annulated.

Selection of related publications
Kröger, B. 2013. The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden. European Journal of Taxonomy 41, 1-110. DOI:10.5852/ejt.2013.41
Kröger, B. & Isakar, M. 2006. Revision of annulated orthoceridan cephalopods of the Baltoscandic Ordovician. Fossil Record 9, 1, 137-163. DOI:10.1002/mmng.200600005
Teichert, C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Paläontologische Zeitschrift 12, 3/4, 264-312. DOI:10.1007/BF03044452
References based on distribution