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Mongolianella
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cypridacea
Family:
Cyprididae
Subfamily:
Cypridinae
Formal Genus Name and Reference:
Mongolianella MANDELSTAM, 1956
Type Species:
M. palmosa
Images
(Click to enlarge in a new window)
Figs. 156,4, 158,1. *M. palmosa, E. Transbaikalia; 156,4a-c, carapace L, R, vent.; 158,1a,b, LV int., RV int.; all X27 (50).
Synonyms
Geographic Distribution
E.C.Asia (Transbaikalia-Mongolia)
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
Medium large (length 1.2 mm), thick-walled, elongate, LV larger than RV, anterior end higher than posterior, broadly rounded and slightly truncated above; posterior end pointed and extended below, dorsal margin convex, straightened medially, ventral margin concave, surface smooth; line of contact of valves not coinciding with interior margin of shell. RV hinge an anterior platelike tooth passing backward into ridge, LV hinge with corresponding groove and anterior elongate socket; inner lamellae broadest at anterior end; adductor scar comprising anteromedian group of about 6 spots and 2 additional anteroventral spots. [Fresh-water.]
References
Mandelstam, M. I., et al., 1956, Ostracoda: All-Union Sci. Res. Geol. Inst. (VSEGEI), Contr. Paleont., new ser., no. 12, Ostracodes, p. 87-144, pl. 19-27, fig. 16-53 (Moscow).
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:
Mongolianella MANDELSTAM, 1956
Type Species:
M. palmosa
Images
(Click to enlarge in a new window)
Figs. 156,4, 158,1. *M. palmosa, E. Transbaikalia; 156,4a-c, carapace L, R, vent.; 158,1a,b, LV int., RV int.; all X27 (50).
Synonyms
Geographic Distribution
E.C.Asia (Transbaikalia-Mongolia)
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
Medium large (length 1.2 mm), thick-walled, elongate, LV larger than RV, anterior end higher than posterior, broadly rounded and slightly truncated above; posterior end pointed and extended below, dorsal margin convex, straightened medially, ventral margin concave, surface smooth; line of contact of valves not coinciding with interior margin of shell. RV hinge an anterior platelike tooth passing backward into ridge, LV hinge with corresponding groove and anterior elongate socket; inner lamellae broadest at anterior end; adductor scar comprising anteromedian group of about 6 spots and 2 additional anteroventral spots. [Fresh-water.]
References
Mandelstam, M. I., et al., 1956, Ostracoda: All-Union Sci. Res. Geol. Inst. (VSEGEI), Contr. Paleont., new ser., no. 12, Ostracodes, p. 87-144, pl. 19-27, fig. 16-53 (Moscow).