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Praectenodonta
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeotaxodonta
Order:
Nuculoida
Superfamily:
Ctenodontacea
Family:
Ctenodontidae
Formal Genus Name and Reference:
Praectenodonta PHILIP, 1962, p. 226
Type Species:
Palaeoneilo raricostae CHAPMAN, 1908, OD
Images
(Click to enlarge in a new window)
Fig. A1,5. *P. raricostae (Chapman), Sil., Australia, 5a,b, LV composite ext.-int. mold, RV ext., X2 (Philip, 1962).
Synonyms
Gotodonta
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
L.Dev.
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Like Ctenodonta but with very strong concentric sculpture
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeotaxodonta
Order:
Nuculoida
Superfamily:
Ctenodontacea
Family:
Ctenodontidae
Formal Genus Name and Reference:
Praectenodonta PHILIP, 1962, p. 226
Type Species:
Palaeoneilo raricostae CHAPMAN, 1908, OD
Images
(Click to enlarge in a new window)
Fig. A1,5. *P. raricostae (Chapman), Sil., Australia, 5a,b, LV composite ext.-int. mold, RV ext., X2 (Philip, 1962).
Synonyms
Gotodonta
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
L.Dev.
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Like Ctenodonta but with very strong concentric sculpture