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Chaoiella
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productidae
Formal Genus Name and Reference:
Chaoiella FREDERICKS, 1933, p. 27
Type Species:
Productus semireticularis var. gruenewaldti KROTOW, 1888, p. 546, OD
Images
(Click to enlarge in a new window)
Fig. 332, 2a–e. *C. gruenewaldti (KROTOW), Artinskian, Russia; ac, ventral, lateral, dorsal views of large specimen, × 1; d, posterior view of ventral exterior, × 1; e, posterodorsal view of specimen showing cardinal process, ×1 (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
Eurasia
Age Range
Beginning Stage in Treatise Usage:
Lower Permian (Artinskian)
Beginning International Stage:
Artinskian
Fraction Up In Beginning Stage:
0
Beginning Date:
290.51
Ending Stage in Treatise Usage:
Lower Permian (Artinskian)
Ending International Stage:
Artinskian
Fraction Up In Ending Stage:
100
Ending Date:
283.3
Description
Ears large, strong ventromedian sulcus, resembles Reticulatia, but with more densely scattered ventral spines and clusters on ears
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productidae
Formal Genus Name and Reference:
Chaoiella FREDERICKS, 1933, p. 27
Type Species:
Productus semireticularis var. gruenewaldti KROTOW, 1888, p. 546, OD
Images
(Click to enlarge in a new window)
Fig. 332, 2a–e. *C. gruenewaldti (KROTOW), Artinskian, Russia; ac, ventral, lateral, dorsal views of large specimen, × 1; d, posterior view of ventral exterior, × 1; e, posterodorsal view of specimen showing cardinal process, ×1 (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
Eurasia
Age Range
Beginning Stage in Treatise Usage:
Lower Permian (Artinskian)
Beginning International Stage:
Artinskian
Fraction Up In Beginning Stage:
0
Beginning Date:
290.51
Ending Stage in Treatise Usage:
Lower Permian (Artinskian)
Ending International Stage:
Artinskian
Fraction Up In Ending Stage:
100
Ending Date:
283.3
Description
Ears large, strong ventromedian sulcus, resembles Reticulatia, but with more densely scattered ventral spines and clusters on ears