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Pomarangina
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Hippuritoida (rudists and relatives)
Superfamily:
Megalodontacea
Family:
Megalodontidae
Formal Genus Name and Reference:
Pomarangina DIENER, 1908, p. 64
Type Species:
P. haydeni, M
Images
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Synonyms
Geographic Distribution
Asia(Himalayas)
Age Range
Beginning Stage in Treatise Usage:
U.Trias.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
U.Trias.
Ending International Stage:
Rhaetian
Fraction Up In Ending Stage:
100
Ending Date:
201.36
Description
Ovate, inequilateral, moderately gibbose, thick-shelled, some specimens slightly inequivalve, with RV larger, beaks prosogyrous and incurved, valves carinate posteriorly, dentition and musculature unknown
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Hippuritoida (rudists and relatives)
Superfamily:
Megalodontacea
Family:
Megalodontidae
Formal Genus Name and Reference:
Pomarangina DIENER, 1908, p. 64
Type Species:
P. haydeni, M
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
Asia(Himalayas)
Age Range
Beginning Stage in Treatise Usage:
U.Trias.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
U.Trias.
Ending International Stage:
Rhaetian
Fraction Up In Ending Stage:
100
Ending Date:
201.36
Description
Ovate, inequilateral, moderately gibbose, thick-shelled, some specimens slightly inequivalve, with RV larger, beaks prosogyrous and incurved, valves carinate posteriorly, dentition and musculature unknown