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Neithea
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pectinacea (scallops and relatives)
Family:
Pectinidae (scallop family)
Subfamily:
Neithea group
Formal Genus Name and Reference:
Neithea DROUET, 1825
Type Species:
Pecten aequicostatus Lamarck, 1819, SD CHENU, 1862
Images
(Click to enlarge in a new window)
Synonyms
Geographic Distribution
Cret. (Neocom.-Senon.), cosmop. ?L.Eoc., Switz.
Age Range
Beginning Stage in Treatise Usage:
Cret. (Neocom.)
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Cret. (Senon.), ?L.Eoc.
Ending International Stage:
Ypresian
Fraction Up In Ending Stage:
100
Ending Date:
48.07
Description
Equal or nearly equal radial ribs, or with 4 to 6 raised radial ribs separated by 3 or 4 smaller ones or with radial striae, auricles equal or anterior one larger, shallow byssal notch present, hinge with two diverging, transversely striated cardinal teeth
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pectinacea (scallops and relatives)
Family:
Pectinidae (scallop family)
Subfamily:
Neithea group
Formal Genus Name and Reference:
Neithea DROUET, 1825
Type Species:
Pecten aequicostatus Lamarck, 1819, SD CHENU, 1862
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
Cret. (Neocom.-Senon.), cosmop. ?L.Eoc., Switz.
Age Range
Beginning Stage in Treatise Usage:
Cret. (Neocom.)
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Cret. (Senon.), ?L.Eoc.
Ending International Stage:
Ypresian
Fraction Up In Ending Stage:
100
Ending Date:
48.07
Description
Equal or nearly equal radial ribs, or with 4 to 6 raised radial ribs separated by 3 or 4 smaller ones or with radial striae, auricles equal or anterior one larger, shallow byssal notch present, hinge with two diverging, transversely striated cardinal teeth