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Goniophoria
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Rhynchotetradoidea
Family:
Rhynchotetradidae
Formal Genus Name and Reference:
Goniophoria JANISCHEWSKY, 1910, p. 80
Type Species:
G. monstrosa, SD Schuchert & LEVENE, 1929a, p. 63
Images
(Click to enlarge in a new window)
Fig. 849, 2a-c. *G. monstrosa, Lower Carboniferous, Khabar, southern Urals, holotype, dorsal, lateral, and anterior views, x1$ (Licharew, 1957)., Fig. 849, 2d. G. carinata Janischewsky, Lower Carboniferous, southern Urals, transverse section near posterior, x2$ (Licharew, 1957).
Synonyms
Geographic Distribution
Urals, Donetz basin, Siberia, China
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:
Carboniferous (Namurian)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
48.4
Ending Date:
319.4
Description
Large with elongate subpentagonal outline and biconvex profile, anterior and lateral margins truncated. Beak erect. Dorsal fold and ventral sulcus obscured by plicae, anterior commissure sulciplicate. Plicae strong, arising at umbones, typically 4 on dorsal valve with 2 on fold, and 5 on ventral valve with 1 in sulcus. Spondylium in ventral valve supported by strong median septum. Dorsal median septum protruding into large U-shaped septalium.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Rhynchotetradoidea
Family:
Rhynchotetradidae
Formal Genus Name and Reference:
Goniophoria JANISCHEWSKY, 1910, p. 80
Type Species:
G. monstrosa, SD Schuchert & LEVENE, 1929a, p. 63
Images
(Click to enlarge in a new window)
Fig. 849, 2a-c. *G. monstrosa, Lower Carboniferous, Khabar, southern Urals, holotype, dorsal, lateral, and anterior views, x1$ (Licharew, 1957)., Fig. 849, 2d. G. carinata Janischewsky, Lower Carboniferous, southern Urals, transverse section near posterior, x2$ (Licharew, 1957).
Synonyms
Geographic Distribution
Urals, Donetz basin, Siberia, China
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:
Carboniferous (Namurian)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
48.4
Ending Date:
319.4
Description
Large with elongate subpentagonal outline and biconvex profile, anterior and lateral margins truncated. Beak erect. Dorsal fold and ventral sulcus obscured by plicae, anterior commissure sulciplicate. Plicae strong, arising at umbones, typically 4 on dorsal valve with 2 on fold, and 5 on ventral valve with 1 in sulcus. Spondylium in ventral valve supported by strong median septum. Dorsal median septum protruding into large U-shaped septalium.