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Anidanthus
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Productidina
Superfamily:
Linoproductoidea
Family:
Linoproductidae
Subfamily:
Anidanthinae
Formal Genus Name and Reference:
Anidanthus Hill, 1950, p. 9, Linoproductus springsurensis BOOKER, 1932, p. 67
Type Species:
Linoproductus springsurensis BOOKER, 1932, p. 67, OD
Images
(Click to enlarge in a new window)
Fig. 368, 1ad. *A. springsurensis (Booker), New South Wales, a, ventral valve exterior, X, b, dorsal valve exterior, X2, c, ventral valve interior, X2, d, replica of dorsal valve interior, x2 (Muir-Wood & Cooper, 1960).
Synonyms
Anidanthus, ?Pseudomarginifera,
Geographic Distribution
Australia, northern and central Asia, central America
Age Range
Beginning Stage in Treatise Usage:
Upper Lower Permian
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
lower Upper Permian
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Medium size, transverse shells with large, well-differentiated ears forming maximum width, ribbing on both valves, except ears, rugae lamellose dorsally, spines in row near hinge, widely scattered on corpus, trail, dorsal interior with thickened shell posteromedianly, median septum about half disk length. [Protoanidanthus should have been included as a junior synonym of Anidanthus HiLL, 1950 in the revised Treatise (Brunton & others, 2000, p. 531). WaterHouse (1986) diagnosed his genus as having smaller ears than Anidanthus . We believe this to be an intrageneric character. Protoanidanthus was described from the Lower Permian (Artinskian) of Australia (Queensland). The description of the genus Anidanthus in Brunton and others (2000, p. 531) remains unchanged, as do the entries for stratigraphy, distribution, and illustrations. This is only a note of emendation correcting an omission from the 2000 description of the genus Anidanthus.]
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Productidina
Superfamily:
Linoproductoidea
Family:
Linoproductidae
Subfamily:
Anidanthinae
Formal Genus Name and Reference:
Anidanthus Hill, 1950, p. 9, Linoproductus springsurensis BOOKER, 1932, p. 67
Type Species:
Linoproductus springsurensis BOOKER, 1932, p. 67, OD
Images
(Click to enlarge in a new window)
Fig. 368, 1ad. *A. springsurensis (Booker), New South Wales, a, ventral valve exterior, X, b, dorsal valve exterior, X2, c, ventral valve interior, X2, d, replica of dorsal valve interior, x2 (Muir-Wood & Cooper, 1960).
Synonyms
Anidanthus, ?Pseudomarginifera,
Geographic Distribution
Australia, northern and central Asia, central America
Age Range
Beginning Stage in Treatise Usage:
Upper Lower Permian
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
lower Upper Permian
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Medium size, transverse shells with large, well-differentiated ears forming maximum width, ribbing on both valves, except ears, rugae lamellose dorsally, spines in row near hinge, widely scattered on corpus, trail, dorsal interior with thickened shell posteromedianly, median septum about half disk length. [Protoanidanthus should have been included as a junior synonym of Anidanthus HiLL, 1950 in the revised Treatise (Brunton & others, 2000, p. 531). WaterHouse (1986) diagnosed his genus as having smaller ears than Anidanthus . We believe this to be an intrageneric character. Protoanidanthus was described from the Lower Permian (Artinskian) of Australia (Queensland). The description of the genus Anidanthus in Brunton and others (2000, p. 531) remains unchanged, as do the entries for stratigraphy, distribution, and illustrations. This is only a note of emendation correcting an omission from the 2000 description of the genus Anidanthus.]