Pleurorthoceras
Extinct genus of nautiloids From Wikipedia, the free encyclopedia
Pleurorthoceras is an orthocerid cephalopod from the Upper Ordovician of North America (Ohio, Manit). The shell externally is like that of Michelinoceras in being long and slender with a circular cross section. It differs in having a subcentral siphuncle with somewhat inflated segments.
| Pleurorthoceras Temporal range: U Ordovician | |
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| Genus: | Pleurorthoceras Flower, 1962 |
- Sweet, Walter C. 1964. Nautiloidea-Orthocerida. Treatise on Invertebrate Paleontology, Part K. Geological Soc of America and Univ Kansas Press.
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