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Yunnania
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Trochina
Superfamily:
Platyceratacea
Family:
Holopeidae
Subfamily:
Gyronematinae
Formal Genus Name and Reference:
Yunnania MANSUY, 1912
Type Species:
Y. termieri
Images
(Click to enlarge in a new window)
Fig. 152,9. *Y. termieri, L.Perm., China, X3.3.
Synonyms
Geographic Distribution
SE.Asia, N.Am, Eu
Age Range
Beginning Stage in Treatise Usage:
Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
M.Perm.
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Shell thick, anomphalous, ornament of spiral cords, growth lines prosocline
References
Mansuy, Henri, 1912, Etude géologique du Yunnan oriental, $2^{e}$ partie, Paléontologie: Service géol. IndoChine, Mém., v. 1, fasc. 2, 146 p., 25 pl. (Hanoi-Haiphong).
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Trochina
Superfamily:
Platyceratacea
Family:
Holopeidae
Subfamily:
Gyronematinae
Formal Genus Name and Reference:
Yunnania MANSUY, 1912
Type Species:
Y. termieri
Images
(Click to enlarge in a new window)
Fig. 152,9. *Y. termieri, L.Perm., China, X3.3.
Synonyms
Geographic Distribution
SE.Asia, N.Am, Eu
Age Range
Beginning Stage in Treatise Usage:
Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
M.Perm.
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Shell thick, anomphalous, ornament of spiral cords, growth lines prosocline
References
Mansuy, Henri, 1912, Etude géologique du Yunnan oriental, $2^{e}$ partie, Paléontologie: Service géol. IndoChine, Mém., v. 1, fasc. 2, 146 p., 25 pl. (Hanoi-Haiphong).