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Liebea
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Ambonychiacea
Family:
Myalinidae
Subfamily:
Marine types
Formal Genus Name and Reference:
Liebea WAAGEN, 1881
Type Species:
Mytilus squamosus Sowerby, 1829, SD COX, 1936, p. 38
Images
(Click to enlarge in a new window)
Fig. C29,2. *L. squamosa (Sowerry), U. Perm.(ZechstE1n), Ger., 2a,b, hinge view and LV, X3 (Newell, 1939).
Synonyms
Geographic Distribution
E.Hemis., widespread
Age Range
Beginning Stage in Treatise Usage:
Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Shell small, rarely attaining length greater than 2.5 cm, mytiloid, strongly prosocline, subrhombic, RV relatively smooth and almost imperceptibly less convex than squamose LV; single cardinal tooth of LV overlying single tooth in RV; anterior adductor seated in pit along anteroventral edge of umbonal deck; ligament grooves strongly oblique, 6 or 8 intersecting hinge axis.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Ambonychiacea
Family:
Myalinidae
Subfamily:
Marine types
Formal Genus Name and Reference:
Liebea WAAGEN, 1881
Type Species:
Mytilus squamosus Sowerby, 1829, SD COX, 1936, p. 38
Images
(Click to enlarge in a new window)
Fig. C29,2. *L. squamosa (Sowerry), U. Perm.(ZechstE1n), Ger., 2a,b, hinge view and LV, X3 (Newell, 1939).
Synonyms
Geographic Distribution
E.Hemis., widespread
Age Range
Beginning Stage in Treatise Usage:
Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Shell small, rarely attaining length greater than 2.5 cm, mytiloid, strongly prosocline, subrhombic, RV relatively smooth and almost imperceptibly less convex than squamose LV; single cardinal tooth of LV overlying single tooth in RV; anterior adductor seated in pit along anteroventral edge of umbonal deck; ligament grooves strongly oblique, 6 or 8 intersecting hinge axis.