Karagandoceratidae

The Karagondoceratidae is a small family of tornoceratin Goniatitida from the Lower Carboniferous (early Mississippian) which typifies the Karagandoceratoidea in which it is included.

Karagandoceratidae
Temporal range: L Carb (Miss)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Goniatitida
Superfamily: Karagandoceratoidea
Family: Karagandoceratidae
Librovich, 1957

Karagandoceratids are characterized by discoidal to lenticular shells that are oxyconic or keeled in the adult and in which the ventral lobe of the suture is ontogenetically subdivided, either trifurcated or biburcated.

The known genera are Bartzschiceras, Karagandoceras, and Masonoceras, and possibly Voehringerites

References


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.