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Streptorhynchus
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Orthotetida
Superfamily:
Orthotetoidea
Family:
Schuchertellidae
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, $X_{3}$, 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
Class:
Strophomenata
Order:
Orthotetida
Superfamily:
Orthotetoidea
Family:
Schuchertellidae
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, $X_{3}$, 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.