Ammonite species from the "ALBIAN" stage (1 entry found)

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Prolyelliceras ulrichi - Ammonitopedia

Prolyelliceras ulrichi

Huánuco, Peru

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Prolyelliceras is highly evolute. It has strong, simple and well spaced ribs which run straight over the venter. On the venter, the ribs bear tubercles on ventral and lateral-ventral positions. The ornamentation is completed by a lateral row of tubercles.

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