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Ovatia
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Linoproductoidea
Family:
Monticuliferidae
Formal Genus Name and Reference:
Ovatia Muir-Wood & COOPER, 1960, p. 311
Type Species:
O. elongata, OD
Images
(Click to enlarge in a new window)
Fig. 379, 4a-e. *O. elongata, Chesterian, Oklahoma, $a-c$, holotype, viewed anteroventrally, laterally, posteriorly, USNM 124101a, x1, } d$, dorsal view of small shell, $\\mathrm{X}_{1}, e$, dorsal valve interior, $\\mathrm{X}_{1}$ (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
North America, Eurasia, northern Africa
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (Tournaisian)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Upper Carboniferous (Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Small to medium sized, ventral profile close to ideal spiral with no geniculation, trail narrow, elongate, umbo narrow, but highly arched, strongly differentiated from ears where rugae are strong, one to two rows of spines near hinge, sparsely scattered on ventral valve where they commonly interrupt ribs, lateral ridges short
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Linoproductoidea
Family:
Monticuliferidae
Formal Genus Name and Reference:
Ovatia Muir-Wood & COOPER, 1960, p. 311
Type Species:
O. elongata, OD
Images
(Click to enlarge in a new window)
Fig. 379, 4a-e. *O. elongata, Chesterian, Oklahoma, $a-c$, holotype, viewed anteroventrally, laterally, posteriorly, USNM 124101a, x1, } d$, dorsal view of small shell, $\\mathrm{X}_{1}, e$, dorsal valve interior, $\\mathrm{X}_{1}$ (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
North America, Eurasia, northern Africa
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (Tournaisian)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Upper Carboniferous (Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Small to medium sized, ventral profile close to ideal spiral with no geniculation, trail narrow, elongate, umbo narrow, but highly arched, strongly differentiated from ears where rugae are strong, one to two rows of spines near hinge, sparsely scattered on ventral valve where they commonly interrupt ribs, lateral ridges short