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Olcostephanus (Jeannoticeras) jeannoti

Order

Suborder

Superfamily

Family

Subfamily

Genus

Subgenus

Ammonoidea

[Beta] View Olcostephanus sp. occurences on the world map.

Stage

Zone

Subzone

Horizon

Hauterivian

z

?

Continent

Country

County

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Compressed whorl section with a round venter. Simple ribs on the periumbilical region, which fork at the start of the flank and then run straight across the venter. The shell is terminated with a simple peristome.
There is no documentation about this species at the moment.
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Created by Guillaume on 30/12/2016 - 16:11:47
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