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Gryphus
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Terebratulida
Suborder:
Terebratulidina
Superfamily:
Terebratuloidea
Family:
Terebratulidae
Subfamily:
Gryphinae
Formal Genus Name and Reference:
Gryphus Megerle von MÜHLFELDT, 1811, p. 64
Type Species:
Anomia vitrea BORN, 1778, p. 104, M
Images
(Click to enlarge in a new window)
Fig. 1360, 3a-e. *G. vitreus (Born), Holocene, Mediterranean, a-c, dorsal, lateral, and anterior views, X1 (Muir-Wood, 1965a), d-e, interiors of ventral and dorsal valves respectively, X1 (Logan, 1979).
Synonyms
Liothyrina, Liothyris
Geographic Distribution
Caribbean, Mediterranean, eastern Atlantic, Miocene-Holocene
Age Range
Beginning Stage in Treatise Usage:
Paleogene (Eocene)
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Holocene
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Elongate oval in outline, ventribiconvex, foramen small to medium, epithyrid, symphytium partially visible, pedicle collar short, cardinal process small, slightly concave, variable, outer hinge plates slightly concave, narrowly triangular, crural bases narrow and flush with inner margin of outer hinge plates, crural processes scooplike in side view, loop short, about 0.25 valve length, variable, descending branches slightly diverging, transverse band broad, gently arched
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Terebratulida
Suborder:
Terebratulidina
Superfamily:
Terebratuloidea
Family:
Terebratulidae
Subfamily:
Gryphinae
Formal Genus Name and Reference:
Gryphus Megerle von MÜHLFELDT, 1811, p. 64
Type Species:
Anomia vitrea BORN, 1778, p. 104, M
Images
(Click to enlarge in a new window)
Fig. 1360, 3a-e. *G. vitreus (Born), Holocene, Mediterranean, a-c, dorsal, lateral, and anterior views, X1 (Muir-Wood, 1965a), d-e, interiors of ventral and dorsal valves respectively, X1 (Logan, 1979).
Synonyms
Liothyrina, Liothyris
Geographic Distribution
Caribbean, Mediterranean, eastern Atlantic, Miocene-Holocene
Age Range
Beginning Stage in Treatise Usage:
Paleogene (Eocene)
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Holocene
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Elongate oval in outline, ventribiconvex, foramen small to medium, epithyrid, symphytium partially visible, pedicle collar short, cardinal process small, slightly concave, variable, outer hinge plates slightly concave, narrowly triangular, crural bases narrow and flush with inner margin of outer hinge plates, crural processes scooplike in side view, loop short, about 0.25 valve length, variable, descending branches slightly diverging, transverse band broad, gently arched