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Class:
Spirillinata
Subclass:
Spirillinana
Order:
Involutinida
Family:
Involutinidae
Involutina
cheradospira
(Loeblich and Tappan, 1950)
Morphological Attributes:
Wallmaterial:
Overall appearance:
Coiling:
Chamberform:
Aperture Position:
Aperture Form:
, , ,
Sutures:
, ,
Ornamentation:
, , ,
type specimen
holotype
Jurassic
Middle Jurassic
Callovian
Midwestern USA
unknown
FEU-1006847