Pleurorthoceras Flower, 1962

Kröger, Björn, 2025, The Lyckholm acme of cephalopods - Review of the late Katian (Vormsi-Pirgu regional stages) Ordovician cephalopods of Estonia, European Journal of Taxonomy 978, pp. 1-169 : 23

publication ID	https://doi.org/10.5852/ejt.2025.978.2801
publication LSID	lsid:zoobank.org:pub:422E6F06-B4C8-4840-854C-811145D88B32
DOI	https://doi.org/10.5281/zenodo.14988440
persistent identifier	https://treatment.plazi.org/id/93268783-9660-7030-FDCD-FCDFFCC8FAF5
treatment provided by	Plazi
scientific name	Pleurorthoceras Flower, 1962
status

Treatment

Genus Pleurorthoceras Flower, 1962

Type species

Orthoceras clarksvillense Foerste, 1924 from Clarksville, Ohio, USA, Waynesville Formation, latest Katian; by original designation.

Diagnosis

Slender, gradually expanding, smooth orthocones; circular in cross section with straight, transverse sutures; chamber distance between one-third to one half of the corresponding conch diameter (RCL = 0.3–0.5); siphuncle subcentral to central; siphuncular segments subtubular, slightly expanded within chambers; septal necks short, suborthochoanitic; endosiphuncular deposits unknown; mural cameral deposits well developed. (Adopted from Flower 1962.)

References

Copyright notice

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.

Taxonomy

Kingdom	Animalia
Phylum	Mollusca
Class	Cephalopoda
SubClass	Endoceratoidea
Order	Orthocerida
Family	Orthoceratidae

Specimens

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