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Orthotichia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Enteletoidea
Family:
Schizophoriidae
Formal Genus Name and Reference:
Orthotichia Hall & CLARKE, 1892, p. 213
Type Species:
Orthis? morganiana DERBY, 1874, p. 29, OD
Images
(Click to enlarge in a new window)
Fig. 615, 3a-j. O. kozlowskii King, middle Permian, Texas, $a-e$, ventral, dorsal, anterior, posterior, lateral views of conjoined valves, x1, f , g}$, normal, tilted views of dorsal interior, $X$, $h$, ventral interior, $X_{2}$, $i$, posterior view of conjoined valves, $X_{2}$, $j$, lateral view of conjoined valves, $X_{2}$ (Cooper & Grant, 1976).
Synonyms
Orthotichina
Geographic Distribution
widespread
Age Range
Beginning Stage in Treatise Usage:
Upper Carboniferous (Namurian)
Beginning International Stage:
Serpukhovian
Fraction Up In Beginning Stage:
0
Beginning Date:
330.34
Ending Stage in Treatise Usage:
Upper Permian (Tatarian)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
40
Ending Date:
257.43
Description
Similar to Schizophoria but more finely costellate with strong dental plates extending forward, as high ridges, to in front of muscle field together with well-developed ventral median septum
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Enteletoidea
Family:
Schizophoriidae
Formal Genus Name and Reference:
Orthotichia Hall & CLARKE, 1892, p. 213
Type Species:
Orthis? morganiana DERBY, 1874, p. 29, OD
Images
(Click to enlarge in a new window)
Fig. 615, 3a-j. O. kozlowskii King, middle Permian, Texas, $a-e$, ventral, dorsal, anterior, posterior, lateral views of conjoined valves, x1, f , g}$, normal, tilted views of dorsal interior, $X$, $h$, ventral interior, $X_{2}$, $i$, posterior view of conjoined valves, $X_{2}$, $j$, lateral view of conjoined valves, $X_{2}$ (Cooper & Grant, 1976).
Synonyms
Orthotichina
Geographic Distribution
widespread
Age Range
Beginning Stage in Treatise Usage:
Upper Carboniferous (Namurian)
Beginning International Stage:
Serpukhovian
Fraction Up In Beginning Stage:
0
Beginning Date:
330.34
Ending Stage in Treatise Usage:
Upper Permian (Tatarian)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
40
Ending Date:
257.43
Description
Similar to Schizophoria but more finely costellate with strong dental plates extending forward, as high ridges, to in front of muscle field together with well-developed ventral median septum