- Crucilobiceras
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Crucilobiceras
Temporal range: L JurassicScientific classification Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Superfamily: Eoderocerataceae Family: Eoderoceratidae Genus: Cruciloboceras
Buckman, 1920Crucilobiceras is an ammonoid cephalopod genus from the Lower Jurassic belonging to the eoderoceratacean 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.
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
- 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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