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Lamprotula
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Unionoida (Freshwater mussels and relatives)
Superfamily:
Unionacea (freshwater mussels)
Family:
Unionidae
Subfamily:
Quadrulinae
Formal Genus Name and Reference:
Lamprotula SIMPSON, 1900
Type Species:
Chama plumbea CHEMNITZ, 1795; OD
Images
(Click to enlarge in a new window)
Fig. D37,5. *L. (L.) plumbea (ChemNITZ), 5a, b, LV ext., int., X0.5 (497).
Synonyms
Gibbosula
Geographic Distribution
E.Asia-Japan
Age Range
Beginning Stage in Treatise Usage:
Oligo.
Beginning International Stage:
Rupelian
Fraction Up In Beginning Stage:
0
Beginning Date:
33.9
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Rounded, subquadrangular, or triangular, heavy, inflated, with high beaks; beak with few coarse, concentric ridges which form double loops; disc generally covered with coarse nodules or knobs; periostracum gray to black, lustrous; hinge massive, all teeth vertically striated, lower auxiliary lamellar tooth in RV; cavity of beaks deep, compressed.
References
Ping, Chi, 1931, On some new fossil mollusks of Mon- golia: Geol. Soc. China, Bull., v. 10, p. 229-246, 31 text fig., pl. 1-2.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Unionoida (Freshwater mussels and relatives)
Superfamily:
Unionacea (freshwater mussels)
Family:
Unionidae
Subfamily:
Quadrulinae
Formal Genus Name and Reference:
Lamprotula SIMPSON, 1900
Type Species:
Chama plumbea CHEMNITZ, 1795; OD
Images
(Click to enlarge in a new window)
Fig. D37,5. *L. (L.) plumbea (ChemNITZ), 5a, b, LV ext., int., X0.5 (497).
Synonyms
Gibbosula
Geographic Distribution
E.Asia-Japan
Age Range
Beginning Stage in Treatise Usage:
Oligo.
Beginning International Stage:
Rupelian
Fraction Up In Beginning Stage:
0
Beginning Date:
33.9
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Rounded, subquadrangular, or triangular, heavy, inflated, with high beaks; beak with few coarse, concentric ridges which form double loops; disc generally covered with coarse nodules or knobs; periostracum gray to black, lustrous; hinge massive, all teeth vertically striated, lower auxiliary lamellar tooth in RV; cavity of beaks deep, compressed.
References
Ping, Chi, 1931, On some new fossil mollusks of Mon- golia: Geol. Soc. China, Bull., v. 10, p. 229-246, 31 text fig., pl. 1-2.