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Mytilarca
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Ambonychiacea
Family:
Ambonychiidae
Formal Genus Name and Reference:
Mytilarca Hall & WHITFIELD, 1869, p. 19
Type Species:
Inoceramus chemungensis CONRAD, 1842, OD
Images
(Click to enlarge in a new window)
Fig. C25,5. *M. chemungensis (Conrad), U.Dev. (Chemung), USA(N.Y.), RV int. mold, X1 (377).
Synonyms
Plethomytilus, Cyrtodontopsis, Lophonychia
Geographic Distribution
Eu.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Sil.(Brassfield)
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
U.Dev., ?L.Miss.
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Mytiliform, commonly somewhat falcate, with terminal beaks, without radial ornamentation or byssal gape, umbonal carina less pronounced than with Gosseletia, few oblique cardinals and 2 or 3 laterals in each valve
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Ambonychiacea
Family:
Ambonychiidae
Formal Genus Name and Reference:
Mytilarca Hall & WHITFIELD, 1869, p. 19
Type Species:
Inoceramus chemungensis CONRAD, 1842, OD
Images
(Click to enlarge in a new window)
Fig. C25,5. *M. chemungensis (Conrad), U.Dev. (Chemung), USA(N.Y.), RV int. mold, X1 (377).
Synonyms
Plethomytilus, Cyrtodontopsis, Lophonychia
Geographic Distribution
Eu.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Sil.(Brassfield)
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
U.Dev., ?L.Miss.
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Mytiliform, commonly somewhat falcate, with terminal beaks, without radial ornamentation or byssal gape, umbonal carina less pronounced than with Gosseletia, few oblique cardinals and 2 or 3 laterals in each valve