“Wadeoceras”的意思、由来-开放百科全书

词条

Wadeoceras

释义

References

{{Italic title}}{{Taxobox
| fossil_range = {{fossilrange|Silurian|Late Devonian|Middle Silurian - Late Devonian}}
| image =
| regnum = Animalia
| phylum = Mollusca
| classis = Cephalopoda
| subclassis = Nautiloidea
| ordo = Oncocerida
| familia = Polyelasmoceratidae
| genus = Wadeoceras
| genus_authority = Teichert, 1939
}}

Wadeoceras is a genus of nautiloids included in the Polyelasmoceratidae, a family of oncocerids living from the Middle Silurian to the Late Devonian.

The Phragmocone of Wadeoceras is cyrtoconic (curved) and the living chamber, more orthoconic (straight).

References

Walter C. Sweet, 1964. Nautiloidea -Oncocerida, Treatise on Invertebrate Paleontology, Part L, Mollusca 3. Geological Society of America and University of Kansas Press.

4 : Prehistoric nautiloid genera|Silurian first appearances|Late Devonian animals|Late Devonian genus extinctions

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