Phylum Mollusca | ||
Order HematitidaDoguzhaeva et al., 2002 | ||
Hematitida is a group of coleoid cephalopods known from the early Carboniferous Period. They are the oldest definite coleoids, although there are controversial claims for even older coleoids from the Devonian. Fossil hematitidans have so far been found only in Arkansas and Utah of the United States. The only family described so far is Hematitidae.
Contents
Characteristics
Some features shared by hematitidans include
Classification
The classification for this group comes from Doguzhaeva et al. 2003
Order Hematitida Doguzhaeva, Mapes, & Mutvei, 2002
References
Hematitida Wikipedia(Text) CC BY-SA