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Radulonectites
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pectinacea (scallops and relatives)
Family:
Pectinidae (scallop family)
Subfamily:
Camptonectes group
Formal Genus Name and Reference:
Radulonectites HAYAMI, 1957
Type Species:
R. japonicus, OD
Images
(Click to enlarge in a new window)
Fig. C74,3. *R. japonicus, L.Jur. (Kuruma Gr.), Japan, 3a,b, LV ext., RV ext., X1 (Hayami, 1957).
Synonyms
Geographic Distribution
Trias., Eu., L.Jur., Japan-S.Am. (Arg.)
Age Range
Beginning Stage in Treatise Usage:
Trias., L.Jur.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
Trias., L.Jur.
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
100
Ending Date:
174.7
Description
Similar to Pleuronectites in general shell characters but differing in that it is sculptured with low, narrow, slightly wavy radial ribs which are separated by narrow grooves.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pectinacea (scallops and relatives)
Family:
Pectinidae (scallop family)
Subfamily:
Camptonectes group
Formal Genus Name and Reference:
Radulonectites HAYAMI, 1957
Type Species:
R. japonicus, OD
Images
(Click to enlarge in a new window)
Fig. C74,3. *R. japonicus, L.Jur. (Kuruma Gr.), Japan, 3a,b, LV ext., RV ext., X1 (Hayami, 1957).
Synonyms
Geographic Distribution
Trias., Eu., L.Jur., Japan-S.Am. (Arg.)
Age Range
Beginning Stage in Treatise Usage:
Trias., L.Jur.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
Trias., L.Jur.
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
100
Ending Date:
174.7
Description
Similar to Pleuronectites in general shell characters but differing in that it is sculptured with low, narrow, slightly wavy radial ribs which are separated by narrow grooves.