Joachimoceras

Joachimoceras
Temporal range: Silurian
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Nautiloidea
Order: Orthocerida
Family: Geisonoceratidae
Genus: Joachimoceras
Barskov, 1960

Jaochimoceras is an orthoceroid cephalopod from the Silurian of Central Europe (Bohemia) named by Baskov, 1960, and included in the Geisonoceratidae. As with the orthocerids, its shell is longiconic, siphuncle more or less central, and chambers somewhat long.

Note that Flower, 1976, regarded the Orthoceratidae and Geisonoceratidae as forming a continuous series, indivisible into separate families.

References

This article is issued from Wikipedia - version of the Friday, August 07, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.