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Benacoceras; Temporal range: Kimmeridgian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Superfamily:	Perisphinctoidea
Family:	Aspidoceratidae
Genus:	Benacoceras; Spath, 1925
Species
	None Cataloged

Benacoceras

Last updated July 19, 2025

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

↑ Sepkoski, Jack (2002). "Sepkoski's Online Genus Database" . Retrieved 2014-05-28.
↑ "Paleobiology Database - Benacoceras" . Retrieved 17 December 2021.

Bibliography

Treatise on Invertebrate Paleontology, Part L; Ch. Mesozoic Ammonoidea. Geological Soc of America and U Kansas Press, R.C Moore (ed)

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[Sepkoski_Ceph-1] Sepkoski, Jack (2002). "Sepkoski's Online Genus Database" . Retrieved 2014-05-28.

[fossilworks-2] "Paleobiology Database - Benacoceras" . Retrieved 17 December 2021.

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