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From Wikipedia, the free encyclopedia
Hematitida is a group of coleoid cephalopods known from the early Carboniferous Period. They are the oldest definite coleoids,[2] although there are controversial claims for even older coleoids from the Devonian.[3] Fossil hematitidans have so far been found only in Arkansas and Utah of the United States.[2] The only family described so far is Hematitidae.
Hematitida Temporal range: | |
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Scientific classification | |
Kingdom: | |
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(unranked): | |
Order: | Hematitida Doguzhaeva et al., 2002[1] |
Family and genera | |
Hematitidae
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Some features shared by hematitidans include
The classification for this group comes from Doguzhaeva et al. 2003[4]
Order Hematitida Doguzhaeva, Mapes, & Mutvei, 2002
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