Tainoceras
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 | This article relies largely or entirely on a single source. (February 2020) |
| Tainoceras Temporal range: Pennsylvanian- Triassic
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| Tainoceras reconstruction at Carnegie Museum of Natural History | |
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| Genus: | Tainoceras Hyatt (1883)
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Tainoceras is an extinct coiled cephalopod that live during the later part of the Paleozoic and Triassic, that belongs to the nautiloid family Tainoceratidae.[1]
Tainoceras has an evolude shell with a subquadrate whorl section that bears a double row of nodes on either side of its broad outer rim (venter). Metacoceras is similar except for lacking the double rows of nodes. Tainionautilus is similar, except that instead of nodes it has thick slanting lateral ribs
References
- ^ Kummel 1964, Nautiloidea—Nautilida. Treatise on Invertebrate Paleontology Part K Mollusca 3. Geol Soc of America and Univ Kansas Press Teichert and Moore (eds)
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- Nautiloids
- Pennsylvanian first appearances
- Triassic extinctions
- Fossil taxa described in 1883