Benacoceras

Benacoceras
Temporal range: Kimmeridgian[1]
Fossil
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Superfamily: Perisphinctaceae
Family: Aspidoceratidae
Genus: Benacoceras
Spath, 1925
Species [2]

None Cataloged

Benacoceras is a strongly ribbed, evolute ammonite from the Late Jurassic, coiled so that all whorls are exposed. Ribbing is biplicate, with very short secondaries. The venter, the outer rim, is smooth, at least on the outer whorl.

References

Notes
  1. Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
  2. "Paleobiology Database - Benacoceras". Retrieved 2014-05-28.
Bibliography
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