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Praelongithyris
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Terebratulida
Suborder:
Terebratulidina
Superfamily:
Terebratuloidea
Family:
Sellithyrididae
Subfamily:
Rectithyridinae
Formal Genus Name and Reference:
Praelongithyris MIDDLEMISS, 1959, p. 134
Type Species:
* P. praelongiforma, OD, =Terebratula praelonga J. DE C. Sowerby in FITTON, 1836, p. 339, auctt., partim
Images
(Click to enlarge in a new window)
Fig. 1368, 1a-d. *P. praelongiforma, Aptian, England, a-c, dorsal, lateral, and anterior views of holotype, BMNH BM67590, X1 (Middlemiss, 1959), d, interior of dorsal valve, X1 (Cooper, 1983)
Synonyms
Geographic Distribution
Europe, Greenland, Asia, South Africa (Zululand), ?Madagascar, Iran, Albian
Age Range
Beginning Stage in Treatise Usage:
Cretaceous (Hauterivian)
Beginning International Stage:
Hauterivian
Fraction Up In Beginning Stage:
0
Beginning Date:
132.6
Ending Stage in Treatise Usage:
Cretaceous (Cenomanian)
Ending International Stage:
Cenomanian
Fraction Up In Ending Stage:
100
Ending Date:
93.9
Description
Elongate oval, anterior commissure rectimarginate, becoming sulciplicate, beak long, suberect, foramen large, circular, permesothyrid, hinge plates in section ventrally concave, becoming V-shaped, clubbed, and anteriorly keeled, loop long, high arched.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Terebratulida
Suborder:
Terebratulidina
Superfamily:
Terebratuloidea
Family:
Sellithyrididae
Subfamily:
Rectithyridinae
Formal Genus Name and Reference:
Praelongithyris MIDDLEMISS, 1959, p. 134
Type Species:
* P. praelongiforma, OD, =Terebratula praelonga J. DE C. Sowerby in FITTON, 1836, p. 339, auctt., partim
Images
(Click to enlarge in a new window)
Fig. 1368, 1a-d. *P. praelongiforma, Aptian, England, a-c, dorsal, lateral, and anterior views of holotype, BMNH BM67590, X1 (Middlemiss, 1959), d, interior of dorsal valve, X1 (Cooper, 1983)
Synonyms
Geographic Distribution
Europe, Greenland, Asia, South Africa (Zululand), ?Madagascar, Iran, Albian
Age Range
Beginning Stage in Treatise Usage:
Cretaceous (Hauterivian)
Beginning International Stage:
Hauterivian
Fraction Up In Beginning Stage:
0
Beginning Date:
132.6
Ending Stage in Treatise Usage:
Cretaceous (Cenomanian)
Ending International Stage:
Cenomanian
Fraction Up In Ending Stage:
100
Ending Date:
93.9
Description
Elongate oval, anterior commissure rectimarginate, becoming sulciplicate, beak long, suberect, foramen large, circular, permesothyrid, hinge plates in section ventrally concave, becoming V-shaped, clubbed, and anteriorly keeled, loop long, high arched.