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Eoradiolites
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Hippuritoida (rudists and relatives)
Superfamily:
Hippuritacea (rudists)
Family:
Radiolitidae
Subfamily:
Radiolitinae
Formal Genus Name and Reference:
Eoradiolites DOUVILLÉ, 1909, p. 77
Type Species:
Radiolites davidsoni HILL, 1893, p. 106, OD
Images
(Click to enlarge in a new window)
Fig. E267,4. *E. davidsoni (HILL), Alb., USA (Texas) ; 4a, both valves; 4b, AV lat. view of siphonal band Eb, X0.9 (Coogan, n). [Also Fig. E237,2; E240,1.J
Synonyms
Geographic Distribution
Eu.-Afr.- Asia-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.( Alb.)
Beginning International Stage:
Albian
Fraction Up In Beginning Stage:
0
Beginning Date:
113.2
Ending Stage in Treatise Usage:
U.Cret.(Turon.)
Ending International Stage:
Turonian
Fraction Up In Ending Stage:
100
Ending Date:
89.39
Description
AV conical elongate, prominent smooth siphonal bands, large ribbed sockets in dorsal inner wall separated from shell cavity by lateral extension ("transverse sep- tum") of cardinal platform from which lower valve tooth arises, outer wall of coarsely reticulate cells. FV small, operculiform, concave to flat, of fine concentric laminations, myophore apophyses present.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Hippuritoida (rudists and relatives)
Superfamily:
Hippuritacea (rudists)
Family:
Radiolitidae
Subfamily:
Radiolitinae
Formal Genus Name and Reference:
Eoradiolites DOUVILLÉ, 1909, p. 77
Type Species:
Radiolites davidsoni HILL, 1893, p. 106, OD
Images
(Click to enlarge in a new window)
Fig. E267,4. *E. davidsoni (HILL), Alb., USA (Texas) ; 4a, both valves; 4b, AV lat. view of siphonal band Eb, X0.9 (Coogan, n). [Also Fig. E237,2; E240,1.J
Synonyms
Geographic Distribution
Eu.-Afr.- Asia-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.( Alb.)
Beginning International Stage:
Albian
Fraction Up In Beginning Stage:
0
Beginning Date:
113.2
Ending Stage in Treatise Usage:
U.Cret.(Turon.)
Ending International Stage:
Turonian
Fraction Up In Ending Stage:
100
Ending Date:
89.39
Description
AV conical elongate, prominent smooth siphonal bands, large ribbed sockets in dorsal inner wall separated from shell cavity by lateral extension ("transverse sep- tum") of cardinal platform from which lower valve tooth arises, outer wall of coarsely reticulate cells. FV small, operculiform, concave to flat, of fine concentric laminations, myophore apophyses present.