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Nymphorhynchia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Rhynchotrematoidea
Family:
Trigonirhynchiidae
Formal Genus Name and Reference:
Nymphorhynchia RZHONSNITSKAIA, 1956c, p. 53
Type Species:
N. bischofioides, OD
Images
(Click to enlarge in a new window)
Fig. 724, $1 a-g$. *N$. bischofioides, Kuznetsk, Eifelian, $a-b$, holotype, dorsal and anterior views, x1.5, c-g$, serial sections of posterior, x3$ (Rzhonsnitskaia, 1956c)."
Synonyms
Wenxianirhynchus
Geographic Distribution
Kuznetsk, Urals, Altai, Mongolia, China, Bohemia, Canada
Age Range
Beginning Stage in Treatise Usage:
upper Silurian (Přidoli)
Beginning International Stage:
Pridoli
Fraction Up In Beginning Stage:
0
Beginning Date:
422.73
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Subtrigonal to subpentagonal outline, delthyrium open. Fold and sulcus wide, low, anterior commissure uniplicate, tongue high, dentate. Costae strong, angular, simple, from beaks. Dental plates very close to vertical valve walls, dorsal median septum high, septalium without cover, crura unrecorded.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Rhynchotrematoidea
Family:
Trigonirhynchiidae
Formal Genus Name and Reference:
Nymphorhynchia RZHONSNITSKAIA, 1956c, p. 53
Type Species:
N. bischofioides, OD
Images
(Click to enlarge in a new window)
Fig. 724, $1 a-g$. *N$. bischofioides, Kuznetsk, Eifelian, $a-b$, holotype, dorsal and anterior views, x1.5, c-g$, serial sections of posterior, x3$ (Rzhonsnitskaia, 1956c)."
Synonyms
Wenxianirhynchus
Geographic Distribution
Kuznetsk, Urals, Altai, Mongolia, China, Bohemia, Canada
Age Range
Beginning Stage in Treatise Usage:
upper Silurian (Přidoli)
Beginning International Stage:
Pridoli
Fraction Up In Beginning Stage:
0
Beginning Date:
422.73
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Subtrigonal to subpentagonal outline, delthyrium open. Fold and sulcus wide, low, anterior commissure uniplicate, tongue high, dentate. Costae strong, angular, simple, from beaks. Dental plates very close to vertical valve walls, dorsal median septum high, septalium without cover, crura unrecorded.