Labyrinthoceras

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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 cephalopd 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[edit]

  • 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. [1]