Labyrinthoceras
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| Genus: | Labyrinthoceras [2] Buckman 1919
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Labyrinthoceras is an extinct cephalopod genus included in the ammonoid family Sphaeroceratidae, a member of the superfamily Stephanoceratoidea, that lived during middle of the Jurassic Period.
Labtrinthoceras is described as large, round-whorled with an open umbilicus; body chamber smooth with a terminal constriction. The chambered phragmocone is finely ribbed. Coiling is eccentric, a character of the family.
References
- ^ 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.
- ^ "Paleobiology Database - Labyrinthoceras". Retrieved 2017-10-19.
- W.J Arkell et al 1957. Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L. Geological Society of America and University of Kansas Press.
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