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Eudesia
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Terebratulida
Suborder:
Terebratellidina
Superfamily:
Zeillerioidea
Family:
Eudesiidae
Formal Genus Name and Reference:
Eudesia KING, 1850, p. 144
Type Species:
Terebratula orbicularis J de C. Sowerby, 1826 in 1826-1829, p. 68, OD, = T. cardium Valenciennes in LAMARCK, 1819, p. 255
Images
(Click to enlarge in a new window)
Fig. 1452, 3a-u. *E. cardium (Valenciennes), Bathonian, Ranville, France, a-e, dorsal, lateral, anterior, ventral, posterior views, X1 (Cooper, 1989), f-u, serial transverse sections, distances unknown, X1.2 (adapted from Muir-Wood, 1965b).
Synonyms
Geographic Distribution
Europe, Asia, Africa, Serbia
Age Range
Beginning Stage in Treatise Usage:
Middle Jurassic (?upper Bajocian, Bathonian)
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
45
Beginning Date:
169.67
Ending Stage in Treatise Usage:
Middle Jurassic (?upper Bajocian, Bathonian)
Ending International Stage:
Bathonian
Fraction Up In Ending Stage:
100
Ending Date:
165.29
Description
Small to medium size, elongate-oval in outline, umbo suberect to incurved, concealing deltidial plates, dental plates commonly enveloped in callus ventrally, hinge plates slightly convex ventrally, cardinal plate keeled, median septum high posteriorly, acutely triangular in cross section, extending about 0.5 valve length, loop transverse band with posteriorly directed carinae
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Terebratulida
Suborder:
Terebratellidina
Superfamily:
Zeillerioidea
Family:
Eudesiidae
Formal Genus Name and Reference:
Eudesia KING, 1850, p. 144
Type Species:
Terebratula orbicularis J de C. Sowerby, 1826 in 1826-1829, p. 68, OD, = T. cardium Valenciennes in LAMARCK, 1819, p. 255
Images
(Click to enlarge in a new window)
Fig. 1452, 3a-u. *E. cardium (Valenciennes), Bathonian, Ranville, France, a-e, dorsal, lateral, anterior, ventral, posterior views, X1 (Cooper, 1989), f-u, serial transverse sections, distances unknown, X1.2 (adapted from Muir-Wood, 1965b).
Synonyms
Geographic Distribution
Europe, Asia, Africa, Serbia
Age Range
Beginning Stage in Treatise Usage:
Middle Jurassic (?upper Bajocian, Bathonian)
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
45
Beginning Date:
169.67
Ending Stage in Treatise Usage:
Middle Jurassic (?upper Bajocian, Bathonian)
Ending International Stage:
Bathonian
Fraction Up In Ending Stage:
100
Ending Date:
165.29
Description
Small to medium size, elongate-oval in outline, umbo suberect to incurved, concealing deltidial plates, dental plates commonly enveloped in callus ventrally, hinge plates slightly convex ventrally, cardinal plate keeled, median septum high posteriorly, acutely triangular in cross section, extending about 0.5 valve length, loop transverse band with posteriorly directed carinae