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Anthracospirifer
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Spiriferoidea
Family:
Spiriferidae
Formal Genus Name and Reference:
Anthracospirifer LANE, 1963, p. 387
Type Species:
*A. birdspringensis, OD
Images
(Click to enlarge in a new window)
Fig. 1172, 4a-b. *A. birdspringensis, Morrowan, Nevada, USA, syntype, dorsal and ventral views, X2 (Lane, 1963), ——Fig. 1172, 4c-d. A. zitteli (Schellwien), Moscovian-Kasimovian, Austria, holotype, dorsal and ventral views, X1 (Gauri, 1965)
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Carboniferous (Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
0
Beginning Date:
346.73
Ending Stage in Treatise Usage:
Carboniferous (Moscovian)
Ending International Stage:
Moscovian
Fraction Up In Ending Stage:
100
Ending Date:
307.02
Description
Small to medium size, slightly to moderately transverse, outline variable from subovate to subpentagonal, cardinal extremities in adults variable from slightly rounded to slightly mucronate, costae adjacent to fold and sulcus invariably bifurcating, costae on lateral slopes few to moderately numerous, simple or more rarely bifurcating.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Spiriferoidea
Family:
Spiriferidae
Formal Genus Name and Reference:
Anthracospirifer LANE, 1963, p. 387
Type Species:
*A. birdspringensis, OD
Images
(Click to enlarge in a new window)
Fig. 1172, 4a-b. *A. birdspringensis, Morrowan, Nevada, USA, syntype, dorsal and ventral views, X2 (Lane, 1963), ——Fig. 1172, 4c-d. A. zitteli (Schellwien), Moscovian-Kasimovian, Austria, holotype, dorsal and ventral views, X1 (Gauri, 1965)
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Carboniferous (Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
0
Beginning Date:
346.73
Ending Stage in Treatise Usage:
Carboniferous (Moscovian)
Ending International Stage:
Moscovian
Fraction Up In Ending Stage:
100
Ending Date:
307.02
Description
Small to medium size, slightly to moderately transverse, outline variable from subovate to subpentagonal, cardinal extremities in adults variable from slightly rounded to slightly mucronate, costae adjacent to fold and sulcus invariably bifurcating, costae on lateral slopes few to moderately numerous, simple or more rarely bifurcating.