Top Qs
Timeline
Chat
Perspective
Oecoptychius
Genus of molluscs (fossil) From Wikipedia, the free encyclopedia
Remove ads
Oecoptychius is an extinct genus of fossil ammonite cephalopods. The species lived during the Middle Jurassic.[1]
Remove ads
Taxonomic position
Oecophtychius was named by Neumayr[who?] in 1878. It is placed into Oecoptychitidae, a family of dwarf ammonites established by Arkell[who?], 1957, that is a part of the superfamily Stephanoceratoidea.[citation needed]
Diagnosis
Oecoptychius is an eccentrically coiled, dwarf ammonite. Inner whorls smooth, spheroidal; outer whorls with fine biplicate ribbing, ventral groove, and an acute elbow at half a whorl before the aperture; peristome contracted, with outwardly directed lappets.[citation needed]
Distribution
Fossils of the Oecophtychius species have been found in Jurassic sediments of France, Germany and Madagascar.[2]
References
Wikiwand - on
Seamless Wikipedia browsing. On steroids.
Remove ads