Crucilobiceras

Crucilobiceras; Temporal range: Sinemurian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Superfamily:	Eoderoceratoidea
Family:	Eoderoceratidae
Genus:	Crucilobiceras; Buckman, 1920
Species
	C. cf. cheltiense; C. densinodulum; C. ornatilobatum;

Crucilobiceras is an ammonoid cephalopod genus from the Lower Jurassic^[1] belonging to the eoderoceratoidean family Eoderoceratidae. Cruciliboceras has an evolute shell, such that all whorls are well exposed, with persistent radial ribbing and with spines or tubercles on the outer, ventral, rim, and in some, tubercles in the inner, umbilical, rim. The genus Crucilobiceras is commonly found along the Jurassic Coast of England.

Metaderoceras, named by Leonard Spath in 1925, is a jr. synonym for Crucilobiceras named by S.S. Buckman in 1920 according to Arkell et al., in the Treatise on Invertebrate Paleontology (1957).

References

Notes

^ ^a ^b Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28. {{cite journal}}: Cite has empty unknown parameter: |coauthors= (help); Cite journal requires |journal= (help)

Bibliography

Arkell et al., 1957. Mesozoic Ammonoidea, in Treatise on Invertebrate Paleontology, (Part L); Geological Soc. of America and University of Kansas press
Donovan, Callomon and Howarth 1981 Classification of the Jurassic Ammonitina; Systematics Association. [1]

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[Sepkoski_Ceph-1] Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28. {{cite journal}}: Cite has empty unknown parameter: |coauthors= (help); Cite journal requires |journal= (help)

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