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Asciocythere
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Cytherideidae
Subfamily:
Cytherideinae
Formal Genus Name and Reference:
Asciocythere SWAIN, 1952
Type Species:
Bythocypris rotundus VANDERPOOL, 1928
Images
(Click to enlarge in a new window)
Fig. 202,1. *A. rotunda (Vanderpool), ?Trinity, N.Car. (subsurface), 1a,b, ?female and ?male carapace R, 1c, ?female carapace dors., 1d, LV int., all X40 (354).
Synonyms
Geographic Distribution
N.Am.-?Eu.
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:
L.Cret.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Carapace plump, subovate, LV with crenulate terminal sockets separated by smooth median bar, above which is well-defined accommodation groove. Marginal areas narrow, with numerous radial canals. [Palaeoeythel'idea resembles Ascioeythel'e in all described characters except that type species has straighter dorsal outline.]
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Cytherideidae
Subfamily:
Cytherideinae
Formal Genus Name and Reference:
Asciocythere SWAIN, 1952
Type Species:
Bythocypris rotundus VANDERPOOL, 1928
Images
(Click to enlarge in a new window)
Fig. 202,1. *A. rotunda (Vanderpool), ?Trinity, N.Car. (subsurface), 1a,b, ?female and ?male carapace R, 1c, ?female carapace dors., 1d, LV int., all X40 (354).
Synonyms
Geographic Distribution
N.Am.-?Eu.
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:
L.Cret.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Carapace plump, subovate, LV with crenulate terminal sockets separated by smooth median bar, above which is well-defined accommodation groove. Marginal areas narrow, with numerous radial canals. [Palaeoeythel'idea resembles Ascioeythel'e in all described characters except that type species has straighter dorsal outline.]