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Tolmatchoffia
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productidae
Formal Genus Name and Reference:
Tolmatchoffia FREDERICKS, 1933, p. 28
Type Species:
Productus robustus TOLMATCHOFF, 1924, p. 230, OD
Images
(Click to enlarge in a new window)
Fig. 342 a-e. *T. robusta (Tolmatchoff), Tournaisian, Kuzbass, central Asia, $a-c$, neotype, selected by Sarytcheva in Sarytcheva and others, 1963, ventral, lateral, posterior views of ventral valve, PIN 1493/149, x1, d$, dorsal valve exterior, $X_{1}$, $e$, dorsal valve interior, $X_{1}$ (Sarytcheva & others, 1963).
Synonyms
Geographic Distribution
Eurasia, northern Africa, North America
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (upper Tournaisian)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
66
Beginning Date:
351
Ending Stage in Treatise Usage:
Lower Carboniferous (upper Tournaisian)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Medium size, almost planoconvex, deep corpus, gently spreading trail, ribbing entire, becoming wider, indistinct on ventral trail, rugae more distinct dorsally, reticulate, spines scattered on both valves, commonly concentric on ventral trail, cardinal process large, normally with pit, cardinal ridges may reach ears, no marginal ridges
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productidae
Formal Genus Name and Reference:
Tolmatchoffia FREDERICKS, 1933, p. 28
Type Species:
Productus robustus TOLMATCHOFF, 1924, p. 230, OD
Images
(Click to enlarge in a new window)
Fig. 342 a-e. *T. robusta (Tolmatchoff), Tournaisian, Kuzbass, central Asia, $a-c$, neotype, selected by Sarytcheva in Sarytcheva and others, 1963, ventral, lateral, posterior views of ventral valve, PIN 1493/149, x1, d$, dorsal valve exterior, $X_{1}$, $e$, dorsal valve interior, $X_{1}$ (Sarytcheva & others, 1963).
Synonyms
Geographic Distribution
Eurasia, northern Africa, North America
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (upper Tournaisian)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
66
Beginning Date:
351
Ending Stage in Treatise Usage:
Lower Carboniferous (upper Tournaisian)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Medium size, almost planoconvex, deep corpus, gently spreading trail, ribbing entire, becoming wider, indistinct on ventral trail, rugae more distinct dorsally, reticulate, spines scattered on both valves, commonly concentric on ventral trail, cardinal process large, normally with pit, cardinal ridges may reach ears, no marginal ridges