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Eocytheropteron
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Cytheruridae
Formal Genus Name and Reference:
Eocytheropteron ALEXANDER, 1933
Type Species:
Cytheropteran bilabatum ALEXANDER, 1929
Images
(Click to enlarge in a new window)
Fig. 219,9. *E. bilobatum (ALEXANDER), L. Cret.(Washita) , Tex.; 9a, carapace R, X70; 9b,c, LV and RV hinge margins, X100 (89).
Synonyms
Geographic Distribution
N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Carapace subtrapezoidal in side view, egg-shaped in dorsal view, provided with short caudal process ; LV overhanging RV strongly along dorsal margin, ventrally swollen, without side wings. LV hinge with longitudinal erenulated terminal sockets and feebly crenulated ridge between; marginal pore canals few, straight, some branched.
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Cytheruridae
Formal Genus Name and Reference:
Eocytheropteron ALEXANDER, 1933
Type Species:
Cytheropteran bilabatum ALEXANDER, 1929
Images
(Click to enlarge in a new window)
Fig. 219,9. *E. bilobatum (ALEXANDER), L. Cret.(Washita) , Tex.; 9a, carapace R, X70; 9b,c, LV and RV hinge margins, X100 (89).
Synonyms
Geographic Distribution
N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Carapace subtrapezoidal in side view, egg-shaped in dorsal view, provided with short caudal process ; LV overhanging RV strongly along dorsal margin, ventrally swollen, without side wings. LV hinge with longitudinal erenulated terminal sockets and feebly crenulated ridge between; marginal pore canals few, straight, some branched.