Stereoplasmoceratidae

Stereoplasmoceratidae is an extinct family of actively mobile aquatic carnivorous cephalopods belonging to the subclass Orthoceratoidea endemic to what would be Asia during the Ordovician living from 490—457.5 mya, existing for approximately 32.5 million years.^[1]

Stereoplasmoceratidae Temporal range: Ordovician
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	†Orthocerida
Genus:	†Stereoplasmoceratidae Kobayashi, 1934

Taxonomy

Stereoplasmoceratidae was named by Kobayashi (1934). It was assigned to Pseudorthocerataceae by Teichert et al. (1964).^[2]

See also

• Paleontology portal

• Paleontology