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Peruvispira
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Pleurotomariina
Superfamily:
Pleurotomariacea
Family:
Eotomariidae
Subfamily:
Neilsoniinae
Formal Genus Name and Reference:
Peruvispira, J.CHRONIC, 1949
Type Species:
P. delicata
Images
(Click to enlarge in a new window)
Fig. 120,6. *P. delicata, L.Perm., Peru, X10.
Synonyms
Pleurocinctosa
Geographic Distribution
S. Am.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
M.Perm.
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Very small, selenizone on protruding carina, ornament growth lines
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Pleurotomariina
Superfamily:
Pleurotomariacea
Family:
Eotomariidae
Subfamily:
Neilsoniinae
Formal Genus Name and Reference:
Peruvispira, J.CHRONIC, 1949
Type Species:
P. delicata
Images
(Click to enlarge in a new window)
Fig. 120,6. *P. delicata, L.Perm., Peru, X10.
Synonyms
Pleurocinctosa
Geographic Distribution
S. Am.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
M.Perm.
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Very small, selenizone on protruding carina, ornament growth lines