Biology:Lobolytoceras

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Short description: Genus of molluscs (fossil)

Lobolytoceras
Temporal range: Toarcian[1]
Lobolytoceras siemensi low.jpg
Lobolytoceras siemensi
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Lytoceratidae
Subfamily: Alocolytoceratinae
Genus: Lobolytoceras
Buckman, 1923

Lobolytoceras is an extinct genus of ammonite[2] 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.[2]

References

  1. 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. https://web.archive.org/web/20080507014300/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=231&rank=class. Retrieved 2017-10-18. 
  2. 2.0 2.1 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. 

Wikidata ☰ Q16977967 entry