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Palaeocardia
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Ambonychiacea
Family:
Ambonychiidae
Formal Genus Name and Reference:
Palaeocardia HALL, 1865
Type Species:
P. cordiformis, M
Images
(Click to enlarge in a new window)
Fig. C26,2. *P. cordiformis, USA(Wis.), 2 a, RV int. mold, 2 b, post. view int. mold, both X1 (374).
Synonyms
Geographic Distribution
USA-Can.
Age Range
Beginning Stage in Treatise Usage:
Sil.(Niagar.)
Beginning International Stage:
Aeronian
Fraction Up In Beginning Stage:
33.3
Beginning Date:
439.86
Ending Stage in Treatise Usage:
Sil.(Niagar.)
Ending International Stage:
Gorstian
Fraction Up In Ending Stage:
100
Ending Date:
425.01
Description
Beaks large, anterior but not terminal, hinge line short, surface with numerous fine, radial costellae, no byssal opening, dentition unknown
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:
Palaeocardia HALL, 1865
Type Species:
P. cordiformis, M
Images
(Click to enlarge in a new window)
Fig. C26,2. *P. cordiformis, USA(Wis.), 2 a, RV int. mold, 2 b, post. view int. mold, both X1 (374).
Synonyms
Geographic Distribution
USA-Can.
Age Range
Beginning Stage in Treatise Usage:
Sil.(Niagar.)
Beginning International Stage:
Aeronian
Fraction Up In Beginning Stage:
33.3
Beginning Date:
439.86
Ending Stage in Treatise Usage:
Sil.(Niagar.)
Ending International Stage:
Gorstian
Fraction Up In Ending Stage:
100
Ending Date:
425.01
Description
Beaks large, anterior but not terminal, hinge line short, surface with numerous fine, radial costellae, no byssal opening, dentition unknown