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Mesodouvillina
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Strophomenoidea
Family:
Amphistrophiidae
Subfamily:
Mesodouvillininae
Formal Genus Name and Reference:
Mesodouvillina WILLIAMS, 1950, p. 281
Type Species:
Stropheodonta subinterstrialis seretensis KOZŁOWSKI, 1929, p. 96, OD
Images
(Click to enlarge in a new window)
Fig. 164, 1a-d. *M. subinterstrialis seretensis (KozŁowsKI), Bogdanovka Beds, Bogdanovka, Podolia, Ukraine, a-c, neotype, ventral, dorsal, lateral views of conjoined valves, CNIGR 33/11475, x1.5, d, ventral interior, CNIGR 32/11475, x1.5 (Bassett, new).-Fig. 164, Ie. M. s. subinterstrialis, Mitkov Beds, Borshchov Stage, Lochkovian, Lanovtsy, Podolia, Ukraine, dorsal interior, CNIGR 30/11475, X1.5 (Bassett, new).-Fig. 164, 1f-h. M. invasor (Johnson), Acrospirifer kobehana Zone, Emsian, Sulphur Spring Range, Great Basin, Nevada, f, g, holotype, ventral exterior, interior, USNM 156938, x1.5, h, dorsal interior, USNM 156941, X1.5 (Johnson, new).
Synonyms
Mesodouviella,
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Silurian (Sheinwoodian)
Beginning International Stage:
Sheinwoodian
Fraction Up In Beginning Stage:
0
Beginning Date:
432.93
Ending Stage in Treatise Usage:
Devonian (Eifelian)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Strongly to gently concavoconvex profile; unequally parvicostellate ornament; small interarea with pseudodeltidium, small chilidium; denticles along half to two-thirds of hinge line; straight or slightly curved muscle-bounding ridges to subtriangular ventral muscle field, open anteriorly; cardinal process posteroventrally to posteriorly directed; short thin divergent socket plates; weak curved dorsal muscle-bounding ridges; dorsal side septa usually absent; dorsal subperipheral rim variably developed.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Strophomenoidea
Family:
Amphistrophiidae
Subfamily:
Mesodouvillininae
Formal Genus Name and Reference:
Mesodouvillina WILLIAMS, 1950, p. 281
Type Species:
Stropheodonta subinterstrialis seretensis KOZŁOWSKI, 1929, p. 96, OD
Images
(Click to enlarge in a new window)
Fig. 164, 1a-d. *M. subinterstrialis seretensis (KozŁowsKI), Bogdanovka Beds, Bogdanovka, Podolia, Ukraine, a-c, neotype, ventral, dorsal, lateral views of conjoined valves, CNIGR 33/11475, x1.5, d, ventral interior, CNIGR 32/11475, x1.5 (Bassett, new).-Fig. 164, Ie. M. s. subinterstrialis, Mitkov Beds, Borshchov Stage, Lochkovian, Lanovtsy, Podolia, Ukraine, dorsal interior, CNIGR 30/11475, X1.5 (Bassett, new).-Fig. 164, 1f-h. M. invasor (Johnson), Acrospirifer kobehana Zone, Emsian, Sulphur Spring Range, Great Basin, Nevada, f, g, holotype, ventral exterior, interior, USNM 156938, x1.5, h, dorsal interior, USNM 156941, X1.5 (Johnson, new).
Synonyms
Mesodouviella,
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Silurian (Sheinwoodian)
Beginning International Stage:
Sheinwoodian
Fraction Up In Beginning Stage:
0
Beginning Date:
432.93
Ending Stage in Treatise Usage:
Devonian (Eifelian)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Strongly to gently concavoconvex profile; unequally parvicostellate ornament; small interarea with pseudodeltidium, small chilidium; denticles along half to two-thirds of hinge line; straight or slightly curved muscle-bounding ridges to subtriangular ventral muscle field, open anteriorly; cardinal process posteroventrally to posteriorly directed; short thin divergent socket plates; weak curved dorsal muscle-bounding ridges; dorsal side septa usually absent; dorsal subperipheral rim variably developed.