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Alispirifer
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Paeckelmannelloidea
Family:
Strophopleuridae
Formal Genus Name and Reference:
Alispirifer CAMPBELL, 1961a, p. 434
Type Species:
* A. laminosa, OD
Images
(Click to enlarge in a new window)
Fig. 1204, 1a-f. *A. laminosa, New South Wales, a-d, ventral valve mold, dorsal valve exterior, dorsal interior, ventral valve exterior, X1, e, microornament, X7, f, ventral interior, X1 (Campbell, 1961a).
Synonyms
Geographic Distribution
Australia, South America
Age Range
Beginning Stage in Treatise Usage:
Carboniferous (Pennsylvanian)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Carboniferous (Pennsylvanian)
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Plicae on flanks rather coarse, not numerous, rarely bifurcating, fold and sulcus narrow, usually smooth, rarely with faint median costa and corresponding shallow groove on fold, stegidial cover absent, otherwise similar to Pterospirifer.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Paeckelmannelloidea
Family:
Strophopleuridae
Formal Genus Name and Reference:
Alispirifer CAMPBELL, 1961a, p. 434
Type Species:
* A. laminosa, OD
Images
(Click to enlarge in a new window)
Fig. 1204, 1a-f. *A. laminosa, New South Wales, a-d, ventral valve mold, dorsal valve exterior, dorsal interior, ventral valve exterior, X1, e, microornament, X7, f, ventral interior, X1 (Campbell, 1961a).
Synonyms
Geographic Distribution
Australia, South America
Age Range
Beginning Stage in Treatise Usage:
Carboniferous (Pennsylvanian)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Carboniferous (Pennsylvanian)
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Plicae on flanks rather coarse, not numerous, rarely bifurcating, fold and sulcus narrow, usually smooth, rarely with faint median costa and corresponding shallow groove on fold, stegidial cover absent, otherwise similar to Pterospirifer.