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Kayserella
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Orthida
Suborder:
Dalmanellidina
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, X3, h, i, internal mold, rubber replica of dorsal valve, X3 (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
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Orthida
Suborder:
Dalmanellidina
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, X3, h, i, internal mold, rubber replica of dorsal valve, X3 (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