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Koninckina
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Athyridida
Superfamily:
Koninckinoidea
Family:
Koninckinidae
Formal Genus Name and Reference:
Koninckina MORRIS, 1847, p. 250, OD
Type Species:
MORRIS, 1847, p. 250, OD
Images
(Click to enlarge in a new window)
Fig. 1093, 5a-b. K. triadica Bittner, Upper Triassic, Dolomites, dorsal, anterior view, x8.5$ (new).
Synonyms
Geographic Distribution
France, Austria, Italy (Dolomites)
Age Range
Beginning Stage in Treatise Usage:
Middle Triassic
Beginning International Stage:
Anisian
Fraction Up In Beginning Stage:
0
Beginning Date:
246.7
Ending Stage in Treatise Usage:
Lower Jurassic
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
100
Ending Date:
174.7
Description
Similar to Koninckina but rounded subtriangular in outline and with less curvature of ventral umbo, hinge line generally less than half maximum width, narrow, triangular interareas clearly visible in adults, small permesothyrid pedicle foramen, smooth, convex symphytium arching over small, commonly trilobed, posteromedian callosity in dorsal valve. [Location of type specimen unknown.]
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Athyridida
Superfamily:
Koninckinoidea
Family:
Koninckinidae
Formal Genus Name and Reference:
Koninckina MORRIS, 1847, p. 250, OD
Type Species:
MORRIS, 1847, p. 250, OD
Images
(Click to enlarge in a new window)
Fig. 1093, 5a-b. K. triadica Bittner, Upper Triassic, Dolomites, dorsal, anterior view, x8.5$ (new).
Synonyms
Geographic Distribution
France, Austria, Italy (Dolomites)
Age Range
Beginning Stage in Treatise Usage:
Middle Triassic
Beginning International Stage:
Anisian
Fraction Up In Beginning Stage:
0
Beginning Date:
246.7
Ending Stage in Treatise Usage:
Lower Jurassic
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
100
Ending Date:
174.7
Description
Similar to Koninckina but rounded subtriangular in outline and with less curvature of ventral umbo, hinge line generally less than half maximum width, narrow, triangular interareas clearly visible in adults, small permesothyrid pedicle foramen, smooth, convex symphytium arching over small, commonly trilobed, posteromedian callosity in dorsal valve. [Location of type specimen unknown.]