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Advenocypris
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cypridacea
Family:
Cyprididae
Subfamily:
Cypridinae
Formal Genus Name and Reference:
Advenocypris SCHNEIDER, 1956
Type Species:
A. alpherowi
Images
(Click to enlarge in a new window)
Fig. 149,2. *A. alpherovi, U.Mio.(Sarmat.) N.Caucasus; 2a,b, carapace L, R, X33; 2e, LV int., X64 (50).
Synonyms
Geographic Distribution
SE.Eu.
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Plio.
Ending International Stage:
Piacenzian
Fraction Up In Ending Stage:
100
Ending Date:
2.58
Description
Shell subtriangular, convex, valves dissimilar in shape, LV strongly overreaching RV; anterior end typically more steeply slanted and higher; posterior end of LV curved and strongly extended below, truncate to slightly concave above, posterior end of RV less curved. Pore-canal zone narrow, with straight pore canals that commonly terminate in ampule-like expansions, inner lamellae broad terminally; contact line of valves not depressed, hinge of RV consisting of knife-edge ridge which fits over a rabbet groove on left. Surface smooth or ornamenteo. [Fresh-water.]
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cypridacea
Family:
Cyprididae
Subfamily:
Cypridinae
Formal Genus Name and Reference:
Advenocypris SCHNEIDER, 1956
Type Species:
A. alpherowi
Images
(Click to enlarge in a new window)
Fig. 149,2. *A. alpherovi, U.Mio.(Sarmat.) N.Caucasus; 2a,b, carapace L, R, X33; 2e, LV int., X64 (50).
Synonyms
Geographic Distribution
SE.Eu.
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Plio.
Ending International Stage:
Piacenzian
Fraction Up In Ending Stage:
100
Ending Date:
2.58
Description
Shell subtriangular, convex, valves dissimilar in shape, LV strongly overreaching RV; anterior end typically more steeply slanted and higher; posterior end of LV curved and strongly extended below, truncate to slightly concave above, posterior end of RV less curved. Pore-canal zone narrow, with straight pore canals that commonly terminate in ampule-like expansions, inner lamellae broad terminally; contact line of valves not depressed, hinge of RV consisting of knife-edge ridge which fits over a rabbet groove on left. Surface smooth or ornamenteo. [Fresh-water.]