Labyrinthoceras
| Labyrinthoceras Temporal range: Bajocian | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Ammonoidea |
| Order: | Ammonitida |
| Superfamily: | Stephanoceratoidea |
| Family: | Sphaeroceratidae |
| Genus: | Labyrinthoceras Buckman 1919 |
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
- W.J Arkell et al 1957. Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L. Geological Society of America and University of Kansas Press.
- Labyrinthoceras in Fossilworks.
- Jack Sepkoski's List of Cephalopod Genera.
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