Lobolytoceras

Lobolytoceras
Temporal range:
Toarcian
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Lytoceratida
Family: Lytoceratidae
Subfamily: Alocolytoceratinae
Genus: Lobolytoceras
Buckman, 1923
Species
  • see text

Lobolytocerasa Lytoceratid genus included in the Alocolytoceratinae[1] in which only the inner whorls have large swollen ribs, later whorls have wrinkled growth lines which coarsen somewhat, near the aperture. The genus is known from the Lower Jurassic Toarcian of Europe. The type species L. siemensi (Denck) came from the Upper Toarcian of Germany.[1]

References

  1. 1 2 Arkell, W.J.; Kummel, B.; Wright, C.W. (1957). Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Lawrence, Kansas: Geological Society of America and University of Kansas Press.
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