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Kassinella
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Plectambonitoidea
Family:
Hesperomenidae
Formal Genus Name and Reference:
Kassinella BORISSIAK, 1956, p. 50
Type Species:
K. globosa, OD
Images
(Click to enlarge in a new window)
Fig. 223,1b. K. (K.) sp., Changwu Formation, middle Ashgill, Jiangshan County, Zhejiang Province, China; dorsal internal mold, NIGP 101834, ×10 (Cocks & Rong, 1989).——FIG. 223 ,1c,d. K. (K.) septata, Goonumbla Volcanics, upper Caradoc, Gunningbland, New South Wales, Australia; c, latex cast of dorsal interior, SUP 61570, ×5; d, dorsal internal mold, SUP 61562, ×5 (Percival, 1979b).
Synonyms
Durranella
Geographic Distribution
Kazakhstan, China, Australia, Europe
Age Range
Beginning Stage in Treatise Usage:
Ordovician (Caradoc)
Beginning International Stage:
Sandbian
Fraction Up In Beginning Stage:
0
Beginning Date:
458.18
Ending Stage in Treatise Usage:
Ordovician (Ashgill)
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
Concavoconvex to planoconvex profile, unequally parvicostellate ornament, small pseudodeltidium, chilidial plates, posterolateral tubercles usually present in ventral interior, short ventral median septum always present, similar to Aulie but with peripheral rim developed, ventral musclebounding ridges very elongate, bilobed, no dental plates, erect cardinal process with laterally flaring socket ridges, dorsal septum, dorsal peripheral rim variably developed
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Plectambonitoidea
Family:
Hesperomenidae
Formal Genus Name and Reference:
Kassinella BORISSIAK, 1956, p. 50
Type Species:
K. globosa, OD
Images
(Click to enlarge in a new window)
Fig. 223,1b. K. (K.) sp., Changwu Formation, middle Ashgill, Jiangshan County, Zhejiang Province, China; dorsal internal mold, NIGP 101834, ×10 (Cocks & Rong, 1989).——FIG. 223 ,1c,d. K. (K.) septata, Goonumbla Volcanics, upper Caradoc, Gunningbland, New South Wales, Australia; c, latex cast of dorsal interior, SUP 61570, ×5; d, dorsal internal mold, SUP 61562, ×5 (Percival, 1979b).
Synonyms
Durranella
Geographic Distribution
Kazakhstan, China, Australia, Europe
Age Range
Beginning Stage in Treatise Usage:
Ordovician (Caradoc)
Beginning International Stage:
Sandbian
Fraction Up In Beginning Stage:
0
Beginning Date:
458.18
Ending Stage in Treatise Usage:
Ordovician (Ashgill)
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
Concavoconvex to planoconvex profile, unequally parvicostellate ornament, small pseudodeltidium, chilidial plates, posterolateral tubercles usually present in ventral interior, short ventral median septum always present, similar to Aulie but with peripheral rim developed, ventral musclebounding ridges very elongate, bilobed, no dental plates, erect cardinal process with laterally flaring socket ridges, dorsal septum, dorsal peripheral rim variably developed