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Praeneothyris
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Terebratulida
Suborder:
Terebratulida - Suborder uncertain
Superfamily:
Terebratulida - Suborder, Superfamily and Family uncertain
Formal Genus Name and Reference:
Praeneothyris KATZ, 1962, p. 143
Type Species:
P. darvaensis, OD
Images
(Click to enlarge in a new window)
Fig. 1885, 4a-d. *P. darvaensis, Tadzhikistan, a-c, dorsal, lateral, and anterior views, x1, d, reconstruction of loop, x1 (Katz, 1962).
Synonyms
Geographic Distribution
Tadzhikistan, Caucasus, Bulgaria, India, Madagascar
Age Range
Beginning Stage in Treatise Usage:
Upper Cretaceous
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Upper Cretaceous
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Large, subcircular, smooth, rectimarginate, beak erect, strongly incurved, foramen minute, mesothyrid. Hinge teeth large, cardinal process and dorsal median septum thickened, ventral septum may be present, loop teloform.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Terebratulida
Suborder:
Terebratulida - Suborder uncertain
Superfamily:
Terebratulida - Suborder, Superfamily and Family uncertain
Formal Genus Name and Reference:
Praeneothyris KATZ, 1962, p. 143
Type Species:
P. darvaensis, OD
Images
(Click to enlarge in a new window)
Fig. 1885, 4a-d. *P. darvaensis, Tadzhikistan, a-c, dorsal, lateral, and anterior views, x1, d, reconstruction of loop, x1 (Katz, 1962).
Synonyms
Geographic Distribution
Tadzhikistan, Caucasus, Bulgaria, India, Madagascar
Age Range
Beginning Stage in Treatise Usage:
Upper Cretaceous
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Upper Cretaceous
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Large, subcircular, smooth, rectimarginate, beak erect, strongly incurved, foramen minute, mesothyrid. Hinge teeth large, cardinal process and dorsal median septum thickened, ventral septum may be present, loop teloform.