Hesperoceras
| Hesperoceras Temporal range: L Mississippian
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|---|---|
| Scientific classification | |
| Kingdom: | Animalia
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| Phylum: | |
| Class: | Cephalopoda
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| Subclass: | Nautiloidea
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| Order: | |
| Superfamily: | |
| Family: | |
| Subfamily: | Michelinoceratinae
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| Genus: | Hesperoceras Miller & Youngquist, 1974
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Hesperoceras is an orthocerid cephalopod belonging to the subfamily which comes from the lower Mississippian of New Mexico.
Hesperoceras has a straight, orthoconic, shell with a subrectangular cross section. The sutures are straight and transverse on the narrow sides but form broad rounded lobes on the wide sides, and the siphuncle is small and central.
References[]
- Sweet, Walter C. (1964). Nautiloidea-Orthocerida. Treatise on Invertebrate Paleontology, Part K. Geological Soc of America, and Univ Kansas Press.
Categories:
- Nautiloids