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Kayserella
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Dalmanelloidea
Family:
Kayserellidae
Formal Genus Name and Reference:
Kayserella Hall & CLARKE, 1892, p. 259
Type Species:
Orthis lepida SCHNUR, 1854, p. 218, OD
Images
(Click to enlarge in a new window)
Fig. 586, 2a-e. *K. lepida (Schnur), Eifelian, Germany, ventral, dorsal, posterior, anterior, lateral views of conjoined valves, x2$ (Cooper, 1955).Fig. 586, 2f-i. K. americana Cooper, Eifelian, New York, $f$, internal mold of ventral valve, x3$, $g$, rubber replica of dorsal exterior, $X_{3}$, $h, i$, internal mold, rubber replica of dorsal valve, $X_{3}$ (Cooper, 1955).
Synonyms
Geographic Distribution
Germany, Moravia, USA (New York)
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Eifelian)
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
Middle Devonian (Eifelian)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Subcircular, fascicostellate valves, ventral interior with recessive dental plates and well-developed pedicle callist, dorsal interior with fulcral plates
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Dalmanelloidea
Family:
Kayserellidae
Formal Genus Name and Reference:
Kayserella Hall & CLARKE, 1892, p. 259
Type Species:
Orthis lepida SCHNUR, 1854, p. 218, OD
Images
(Click to enlarge in a new window)
Fig. 586, 2a-e. *K. lepida (Schnur), Eifelian, Germany, ventral, dorsal, posterior, anterior, lateral views of conjoined valves, x2$ (Cooper, 1955).Fig. 586, 2f-i. K. americana Cooper, Eifelian, New York, $f$, internal mold of ventral valve, x3$, $g$, rubber replica of dorsal exterior, $X_{3}$, $h, i$, internal mold, rubber replica of dorsal valve, $X_{3}$ (Cooper, 1955).
Synonyms
Geographic Distribution
Germany, Moravia, USA (New York)
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Eifelian)
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
Middle Devonian (Eifelian)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Subcircular, fascicostellate valves, ventral interior with recessive dental plates and well-developed pedicle callist, dorsal interior with fulcral plates