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Schuchertella
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Orthotetida
Superfamily:
Orthotetoidea
Family:
Schuchertellidae
Formal Genus Name and Reference:
Schuchertella GIRTY, 1904, p. 734
Type Species:
Steptorhynchus lens WHITE, 1862, p. 28, OD
Images
(Click to enlarge in a new window)
Fig. 480, 1a-f. *S. lens (White), upper Famennian, Missouri, $a, b$, dorsal, ventral views of shell, X 1.5, c, posterior view of shell, x2$, d, e, ventral valve, dorsal valve interiors, $X 1.5$, $f$, close up of previous specimen showing cardinalia, $X_{4}$ (new).
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Upper Devonian
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
Lower Permian
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Variable in size and in texture of costellae, ventral interarea usually anacline, chilidium convex, flabellate ventral muscle scars and impressed dorsal adductor scars, each set divided by low myophragm, extropunctae better developed in the dorsal valve.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Orthotetida
Superfamily:
Orthotetoidea
Family:
Schuchertellidae
Formal Genus Name and Reference:
Schuchertella GIRTY, 1904, p. 734
Type Species:
Steptorhynchus lens WHITE, 1862, p. 28, OD
Images
(Click to enlarge in a new window)
Fig. 480, 1a-f. *S. lens (White), upper Famennian, Missouri, $a, b$, dorsal, ventral views of shell, X 1.5, c, posterior view of shell, x2$, d, e, ventral valve, dorsal valve interiors, $X 1.5$, $f$, close up of previous specimen showing cardinalia, $X_{4}$ (new).
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Upper Devonian
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
Lower Permian
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Variable in size and in texture of costellae, ventral interarea usually anacline, chilidium convex, flabellate ventral muscle scars and impressed dorsal adductor scars, each set divided by low myophragm, extropunctae better developed in the dorsal valve.