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Uncites
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Athyridida
Suborder:
Athyridida - Suborder uncertain
Superfamily:
Uncitoidae
Family:
Uncitidae
Formal Genus Name and Reference:
Uncites Defrance in de BLAINVILLE, 1825, p. 630
Type Species:
Terebratulites Gryphus sic von Schlotheim, 1820 in 1820-1823, p. 259, OD, =Uncites gryphoides DEFRANCE, 1827, p. 152
Images
(Click to enlarge in a new window)
Fig. 1099,1a–f. *U. (U.) gryphus (VON SCHLOTHEIM ), Germany; a–c, lectotype, dorsal, ventral, and lateral views; d, dorsal view, ×1; e–f, interiors of dorsal, ventral valves (Jux & Strauch, 1966).
Synonyms
Geographic Distribution
Eurasia, western Europe, China, Vietnam
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Givetian)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Evenly ribbed, biconvex, generally elongate, highly variable, asymmetrical shells, shell wall thick, massive, very large, talonlike, protruding, pointed, ventral beak, concentric growth lines present, irregularly spaced, flanks lateral to delthyrium, smooth, foramen absent, but some shells possessing koskinoid perforations, large delthyrium occupied by single, concave deltidium, rarely with medial separation into separate plates, teeth solid, lacking dental plates or cavities, no clear median septa evident in either valve, muscle impressions weak, massive cardinalium, spiralia lateral to ventrolateral, with 6 or more whorls, simple, arched jugum pointed posteriorly.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Athyridida
Suborder:
Athyridida - Suborder uncertain
Superfamily:
Uncitoidae
Family:
Uncitidae
Formal Genus Name and Reference:
Uncites Defrance in de BLAINVILLE, 1825, p. 630
Type Species:
Terebratulites Gryphus sic von Schlotheim, 1820 in 1820-1823, p. 259, OD, =Uncites gryphoides DEFRANCE, 1827, p. 152
Images
(Click to enlarge in a new window)
Fig. 1099,1a–f. *U. (U.) gryphus (VON SCHLOTHEIM ), Germany; a–c, lectotype, dorsal, ventral, and lateral views; d, dorsal view, ×1; e–f, interiors of dorsal, ventral valves (Jux & Strauch, 1966).
Synonyms
Geographic Distribution
Eurasia, western Europe, China, Vietnam
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Givetian)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Evenly ribbed, biconvex, generally elongate, highly variable, asymmetrical shells, shell wall thick, massive, very large, talonlike, protruding, pointed, ventral beak, concentric growth lines present, irregularly spaced, flanks lateral to delthyrium, smooth, foramen absent, but some shells possessing koskinoid perforations, large delthyrium occupied by single, concave deltidium, rarely with medial separation into separate plates, teeth solid, lacking dental plates or cavities, no clear median septa evident in either valve, muscle impressions weak, massive cardinalium, spiralia lateral to ventrolateral, with 6 or more whorls, simple, arched jugum pointed posteriorly.