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Involutina
cheradospira
(Loeblich & Tappan, 1950)
Class:
Spirillinata
Subclass:
Spirillinana
Order:
Involutinida
Family:
Involutinidae
found at an
unknown
Carbon County, Montana
Midwestern USA none
Geological Time: Jurassic Middle Jurassic Callovian
classification and image courtesy of
SINMNH
holotype
The identification is based upon:
SINMNH Department of Paleobiology Collections, 2013: