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Rhipidomella
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Dalmanelloidea
Family:
Rhipidomellidae
Formal Genus Name and Reference:
Rhipidomella Oehlert, 1890, p. 366, nom. nov. pro Rhipidomys Oehlert, 1887b, p. 1288, non Wagner, 1844
Type Species:
Terebratula michelini LÉVEILLÉ, 1835, p. 39, OD
Images
(Click to enlarge in a new window)
Fig. 594, 2a-f. $* R$. michelini (Léveillé), Viséan, Belgium, $a-d$, ventral, dorsal, posterior, lateral views of conjoined valves, $\\mathbf{X}_{1}$, $e$, ventral interior, x1}_{1}, f$, dorsal interior, $\\mathbf{X}_{1}$ (Wright, 1965a).
Synonyms
Blairella
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Eifelian)
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
Upper Permian (Tatarian)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
40
Ending Date:
257.43
Description
Dorsibiconvex, rectimarginate to weakly unisulcate valves, notothyrium covered by chilidial plates in later species, ventral interior with extended, flabellate muscle scars, bisected in front of adductor scar by short median ridge, dorsal interior with brachiophores supported by adventitious shell
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Dalmanelloidea
Family:
Rhipidomellidae
Formal Genus Name and Reference:
Rhipidomella Oehlert, 1890, p. 366, nom. nov. pro Rhipidomys Oehlert, 1887b, p. 1288, non Wagner, 1844
Type Species:
Terebratula michelini LÉVEILLÉ, 1835, p. 39, OD
Images
(Click to enlarge in a new window)
Fig. 594, 2a-f. $* R$. michelini (Léveillé), Viséan, Belgium, $a-d$, ventral, dorsal, posterior, lateral views of conjoined valves, $\\mathbf{X}_{1}$, $e$, ventral interior, x1}_{1}, f$, dorsal interior, $\\mathbf{X}_{1}$ (Wright, 1965a).
Synonyms
Blairella
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Eifelian)
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
Upper Permian (Tatarian)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
40
Ending Date:
257.43
Description
Dorsibiconvex, rectimarginate to weakly unisulcate valves, notothyrium covered by chilidial plates in later species, ventral interior with extended, flabellate muscle scars, bisected in front of adductor scar by short median ridge, dorsal interior with brachiophores supported by adventitious shell