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Bairdiocypris
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Metacopina
Superfamily:
Healdiacea
Family:
Bairdiocyprididae
Formal Genus Name and Reference:
Bairdiocypris KEGEL, 1932
Type Species:
Bythocypris (Bairdiocypris) gerolsteinensis KEGEL, 1932
Images
(Click to enlarge in a new window)
Fig. 284,2a,b. *B. gerolsteinensis (Kegel), M.Dev., Ger., 2a,b, carapace (holotype) R, dors., ×20 (224). -- Fig. 284,2c,d. B. uexheimensis (Kegel), M.Dev., Ger., 2c, transv. vent. edge, ×40, 2d, adductor muscle scar, ×60 (224)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
Dev., ?Jur.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Carapace large, heavy-shelled, mostly subtriangular in lateral view, with considerable dorsal convexity and nearly straight ventral border, lacking the great tumidity of Pachydomella; LV conspicuously overreaching RV, contact marginal structures as described for family; adductor muscle scar with 70 or more spots, commonly with posteroventral furrow on RV. Surface smooth or punctate.
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Metacopina
Superfamily:
Healdiacea
Family:
Bairdiocyprididae
Formal Genus Name and Reference:
Bairdiocypris KEGEL, 1932
Type Species:
Bythocypris (Bairdiocypris) gerolsteinensis KEGEL, 1932
Images
(Click to enlarge in a new window)
Fig. 284,2a,b. *B. gerolsteinensis (Kegel), M.Dev., Ger., 2a,b, carapace (holotype) R, dors., ×20 (224). -- Fig. 284,2c,d. B. uexheimensis (Kegel), M.Dev., Ger., 2c, transv. vent. edge, ×40, 2d, adductor muscle scar, ×60 (224)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
Dev., ?Jur.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Carapace large, heavy-shelled, mostly subtriangular in lateral view, with considerable dorsal convexity and nearly straight ventral border, lacking the great tumidity of Pachydomella; LV conspicuously overreaching RV, contact marginal structures as described for family; adductor muscle scar with 70 or more spots, commonly with posteroventral furrow on RV. Surface smooth or punctate.