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Eomarginifera
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productidae
Formal Genus Name and Reference:
Eomarginifera MUIR-WOOD, 1930, p. 103
Type Species:
Productus longispinus J. SOWERBY, 1814 in 1812-1815, p. 154, OD
Images
(Click to enlarge in a new window)
Fig. 316, 3a-d. $* E$. longispina (J. Sowerby), upper Viséan, Ayrshire, Scotland, ventral, dorsal, lateral, posterior views of complete specimen, x2$ (new), Fig. 316, 3e, f. E. lobata (J. Sowerby), $e$, internal mold of ventral valve, Pendleian, Northumberland, British Isles, $\\times$, $f$, dorsal valve interior, Brigantian, x2$ (new)
Synonyms
Lissomarginifera
Geographic Distribution
Eurasia, northern Africa, ?North America
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (Viséan)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
0
Beginning Date:
346.73
Ending Stage in Treatise Usage:
Upper Carboniferous (?lower Moscovian)
Ending International Stage:
Moscovian
Fraction Up In Ending Stage:
100
Ending Date:
307.02
Description
Small, around 15 mm wide, ears small, zygidium absent, six symmetrical, stout spines, commonly weak median sulcus, dorsal submarginal ridges weak anteriorly, absent ventrally
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productidae
Formal Genus Name and Reference:
Eomarginifera MUIR-WOOD, 1930, p. 103
Type Species:
Productus longispinus J. SOWERBY, 1814 in 1812-1815, p. 154, OD
Images
(Click to enlarge in a new window)
Fig. 316, 3a-d. $* E$. longispina (J. Sowerby), upper Viséan, Ayrshire, Scotland, ventral, dorsal, lateral, posterior views of complete specimen, x2$ (new), Fig. 316, 3e, f. E. lobata (J. Sowerby), $e$, internal mold of ventral valve, Pendleian, Northumberland, British Isles, $\\times$, $f$, dorsal valve interior, Brigantian, x2$ (new)
Synonyms
Lissomarginifera
Geographic Distribution
Eurasia, northern Africa, ?North America
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (Viséan)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
0
Beginning Date:
346.73
Ending Stage in Treatise Usage:
Upper Carboniferous (?lower Moscovian)
Ending International Stage:
Moscovian
Fraction Up In Ending Stage:
100
Ending Date:
307.02
Description
Small, around 15 mm wide, ears small, zygidium absent, six symmetrical, stout spines, commonly weak median sulcus, dorsal submarginal ridges weak anteriorly, absent ventrally