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Streptorhynchus
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Orthotetida
Suborder:
Orthotetidina
Superfamily:
Orthotetoidea
Family:
Schuchertellidae
Subfamily:
Streptorhynchinae
Formal Genus Name and Reference:
Streptorhynchus KING, 1850, p. 107
Type Species:
Terebratulites pelargonatus von SCHLOTHEIM, 1816, p. 28, OD
Images
(Click to enlarge in a new window)
Fig. 481, 4a-f. * S. pelargonatus (von Schlotheim), Kazanian, Gera, Germany, a-c, ventral, anterior, lateral views of shell, x1.5, d, posterodorsal view of shell, X3, e, dorsal valve interior showing cardinalia, f, latex mold of dorsal valve interior showing articulation, x2 (new).
Synonyms
Lespius
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Carboniferous
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Permian
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Small to medium-sized, subconical, ventribiconvex, relatively coarsely costellate with concentric fila, ventral interarea apsacline, pseudodeltidium with monticulus, chilidium small, grooved medianly, ventral muscle scar flabellate, dorsal muscle scar faintly impressed, cardinal process high, occasionally with a short median ridge or node at the base.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Orthotetida
Suborder:
Orthotetidina
Superfamily:
Orthotetoidea
Family:
Schuchertellidae
Subfamily:
Streptorhynchinae
Formal Genus Name and Reference:
Streptorhynchus KING, 1850, p. 107
Type Species:
Terebratulites pelargonatus von SCHLOTHEIM, 1816, p. 28, OD
Images
(Click to enlarge in a new window)
Fig. 481, 4a-f. * S. pelargonatus (von Schlotheim), Kazanian, Gera, Germany, a-c, ventral, anterior, lateral views of shell, x1.5, d, posterodorsal view of shell, X3, e, dorsal valve interior showing cardinalia, f, latex mold of dorsal valve interior showing articulation, x2 (new).
Synonyms
Lespius
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Carboniferous
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Permian
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Small to medium-sized, subconical, ventribiconvex, relatively coarsely costellate with concentric fila, ventral interarea apsacline, pseudodeltidium with monticulus, chilidium small, grooved medianly, ventral muscle scar flabellate, dorsal muscle scar faintly impressed, cardinal process high, occasionally with a short median ridge or node at the base.