Danoceras

Short description: Extinct genus of nautiloids

Danoceras

Temporal range: ?M - Late Ordovician

Scientific classification
Kingdom:  | Animalia
Phylum:  | Mollusca
Class:  | Cephalopoda
Subclass:  | Nautiloidea
Order:  | †Oncocerida
Family:  | †Diestoceratidae
Genus:  | †Danoceras
Troedsson, 1926

Danoceras is an essentially straight shelled oncocerid named by Troedsson in 1926, and included in the Diestoceratidae. It has been found in the upper, and possibly middle, Ordovician of Europe, (Estonia), Greenland, and Russia, (Taimyr Peninsula). Named species include Danoceras ravni, type, D. inutile, D. scandinavicum, and D. skalbergensis.

The Danoceras shell is oval in section, laterally compressed with broadly rounded sides and narrowly rounded dorsum and venter. Chambers are short, septa close spaced, sutures straight and transverse. The siphuncle is subventral, close to but not touching the ventral margin. In form, cyrtochoanitic, necks recumbent.

Related genera include Diestoceras, Dowlingoceras, Lychholmoceras, and Suttonoceras.

## References

* Walter C Sweet, 1964. Nautiloidea - Oncocerida. Treatise on Invertebrate Paleontology. Geological Society of America and University of Kansas Press.

Wikidata ☰ Q18350244 entry

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