Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Selenimyalina
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Ambonychiacea
Family:
Myalinidae
Subfamily:
Marine types
Formal Genus Name and Reference:
Selenimyalina NEWELL, 1942
Type Species:
Myalina meliniformis Meek & WORTHEN, 1866, OD
Images
(Click to enlarge in a new window)
Fig. C30,2. *S. meliniformis (Meek & Worthen), Desmoines., USA(Ill.), LV int., showing muscle marks, X2 (666).
Synonyms
Geographic Distribution
USA
Age Range
Beginning Stage in Treatise Usage:
Penn.(Desmoine.)
Beginning International Stage:
Moscovian
Fraction Up In Beginning Stage:
71.2
Beginning Date:
309.37
Ending Stage in Treatise Usage:
Penn.(Virgil.)
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Small, strongly prosocline to acline, smooth, nearly equivalve, without anterior lobation, umbones flattened and poorly defined, posterodorsal margin broadly rounded, ligament grooves numerous and extremely fine, dentition similar to Myalina except that single cardinal tooth of RV and corresponding triangular socket of LV are situated on hinge plate which partly covers very shallow umbonal recess
References
Newell, N. D., 1942, Late Paleozoic pelecypods: Mytilacea: Kansas State Geol. Survey, Publ., v. 10, no. 2, 115 p., 20 pl .
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:
Selenimyalina NEWELL, 1942
Type Species:
Myalina meliniformis Meek & WORTHEN, 1866, OD
Images
(Click to enlarge in a new window)
Fig. C30,2. *S. meliniformis (Meek & Worthen), Desmoines., USA(Ill.), LV int., showing muscle marks, X2 (666).
Synonyms
Geographic Distribution
USA
Age Range
Beginning Stage in Treatise Usage:
Penn.(Desmoine.)
Beginning International Stage:
Moscovian
Fraction Up In Beginning Stage:
71.2
Beginning Date:
309.37
Ending Stage in Treatise Usage:
Penn.(Virgil.)
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Small, strongly prosocline to acline, smooth, nearly equivalve, without anterior lobation, umbones flattened and poorly defined, posterodorsal margin broadly rounded, ligament grooves numerous and extremely fine, dentition similar to Myalina except that single cardinal tooth of RV and corresponding triangular socket of LV are situated on hinge plate which partly covers very shallow umbonal recess
References
Newell, N. D., 1942, Late Paleozoic pelecypods: Mytilacea: Kansas State Geol. Survey, Publ., v. 10, no. 2, 115 p., 20 pl .