Maelonoceras is a Late Ordovician - early Silurian oncocerid found in Ontario.

Maelonoceras
Temporal range: Ordovician - Silurian
Scientific classification
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Maelonoceras

Hyatt 1884

Description

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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

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Maelonoceras is nautiloid cephalopod included in the Oncoceratidae along with such genera as Oncoceras, Belotoceras, Digenuoceras, and Maimoceras.

References

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