Asymptoceras

Asymptoceras is a genus of aipoceratids (Nautiloidea) similar to Aipoceras but tightly coiled and with only part of the body chamber divergent from the previous whorl. Shell evolute, expanding fairly rapidly; umbilicus open, perforate; whorl section ovoid to subquadrate.

Asymptoceras
Temporal range: Mississippian
Asymptoceras newloni
Asymptoceras newloni
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Nautiloidea
Order: Nautilida
Family: †Aipoceratidae
Genus: †Asymptoceras
Ryckholt, 1852
Species[1]
  • †A. pyxis Shimanskiy, 1967
  • †A. tschernovi Shimanskiy, 1990

Asymptoceras is known from Mississippian (Lower Carboniferous) sediments in Europe and North America.

References
  1. "Asymptoceras". Fossilworks. Retrieved 29 April 2022 from the Paleobiology Database.{{cite web}}: CS1 maint: postscript (link)
  • Bernard Kummel, 1964. Nautiloidea - Nautilida; Treatise on Invertebrate Paleontology, Part K. Geological Society of America.
  • Asymptoceras in Fossilworks


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