Maelonoceras
| Maelonoceras Temporal range: Ordovician - Silurian
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| Class: | Cephalopoda
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| Genus: | Maelonoceras Hyatt 1884
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Maelonoceras is a Late Ordovician - early Silurian oncocerid found in Ontario.
Description[]
The shell is a faintly gibbous exogastric cyrtocone with subparallel dorsal and ventral profiles but adorally converging sides. The aperture vizored, pear-shaped. The Siphuncle small, ventral.
Taxonomic relation[]
Maelonoceras is nautiloid cephalopod included in the Oncoceratidae along with such genera as Oncoceras, , , and .
References[]
 | This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. (October 2015) |
- Walter C. Sweet, 1964. Nautiloidea-Oncocerida. Treatise on Invertebrate Paleontology, Part K.
- Maelonoceras Fossilworks entry.
- Jack Sepkoski 2002. List of cephalopod genera
Categories:
- Nautiloids
- Late Ordovician first appearances
- Silurian extinctions