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Myalinella
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Ambonychiacea
Family:
Myalinidae
Subfamily:
Marine types
Formal Genus Name and Reference:
Myalinella NEWELL, 1942
Type Species:
Myalina meeki DUNBAR, 1924, OD
Images
(Click to enlarge in a new window)
Fig. C28,4. *M. meeki (Dunbar), L.Perm.(Big Blue), USA (Kans.), LV, X2 (666).
Synonyms
Geographic Distribution
Eu.-USA-India-Greenl.
Age Range
Beginning Stage in Treatise Usage:
Penn.(Desmoines.)
Beginning International Stage:
Moscovian
Fraction Up In Beginning Stage:
71.2
Beginning Date:
309.37
Ending Stage in Treatise Usage:
L.Trias.
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
100
Ending Date:
246.7
Description
Thin-shelled, small strongly prosocline, triangular, with obtuse posterodorsal margins, beaks slender, not lobed, LV only slightly more rugose than RV
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:
Myalinella NEWELL, 1942
Type Species:
Myalina meeki DUNBAR, 1924, OD
Images
(Click to enlarge in a new window)
Fig. C28,4. *M. meeki (Dunbar), L.Perm.(Big Blue), USA (Kans.), LV, X2 (666).
Synonyms
Geographic Distribution
Eu.-USA-India-Greenl.
Age Range
Beginning Stage in Treatise Usage:
Penn.(Desmoines.)
Beginning International Stage:
Moscovian
Fraction Up In Beginning Stage:
71.2
Beginning Date:
309.37
Ending Stage in Treatise Usage:
L.Trias.
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
100
Ending Date:
246.7
Description
Thin-shelled, small strongly prosocline, triangular, with obtuse posterodorsal margins, beaks slender, not lobed, LV only slightly more rugose than RV
References
Newell, N. D., 1942, Late Paleozoic pelecypods: Mytilacea: Kansas State Geol. Survey, Publ., v. 10, no. 2, 115 p., 20 pl .