Acanthaecites

Acanthaecites; Temporal range: Callovian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Genus:	Acanthaecites; Rollier 1909

Acanthaecites is an extinct cephalopod genus belonging to the ammonoid family Oppeliidae first described by Rollier in 1909. ^[2]Acanthaecites both appears and disappears from the fossil record during the Callovian stage of the Jurassic Period.

The shell of Acanthaecites is small, globose and smooth except for a median ventral row of distinct sharp serrations.

References

Notes

^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2008-05-07. Retrieved 2017-10-18. {{cite journal}}: |archive-date= / |archive-url= timestamp mismatch; 2016-02-25 suggested (help); Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
^ "Paleobiology Database - Acanthaecites". Retrieved 2017-10-19. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)

Bibliography

W.J. Arkell, et al. 1957. Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Ammonoidea. University of Kansas Press.

[Sepkoski_Ceph-1] Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2008-05-07. Retrieved 2017-10-18. {{cite journal}}: |archive-date= / |archive-url= timestamp mismatch; 2016-02-25 suggested (help); Unknown parameter |deadurl= ignored (|url-status= suggested) (help)

[paleodb-2] "Paleobiology Database - Acanthaecites". Retrieved 2017-10-19. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)

[1]

[2]