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Eponides
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Orbitoidacea
Family:
Eponididae
Formal Genus Name and Reference:
Eponides de MONTFORT, 1808, *1305, p. 127
Type Species:
Eponides de Montfort, 1808, *1305, p. 127 *Nautilus repandus Fichtel & MOLL, 1798, *716, p. 35, OD
Images
(Click to enlarge in a new window)
Fig. 544,1. *E. repandus (Fichtel & Moll), Rec., Italy(Gulf Naples), 1a-c, opposite sides and edge view of neotype, X39. (*1186).
Synonyms
Pulvinulus, Nautilus
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, trochospiral, biconvex, periphery angled to distinctly carinate with narrow to broad depression in umbilical region (pseudoumbilicus), septa double, with intraseptal passages, sutures curved on spiral side, nearly radial to curved or sigmoid on umbilical side, wall calcareous, finely perforate, radial in structure, bilamellar, with septa primarily doubled, surface may have secondarily formed pustules or ridges formed on previous whorl below aperture, primary aperture an interiomarginal arch without internal tooth plate, intercameral foramen may be restricted and partly areal in position.
References
Montfort, Denys de, 1808, Conchyliologie systématique et classification methodique des coquilles: v. 1, 1xxxvii+409 p.
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Orbitoidacea
Family:
Eponididae
Formal Genus Name and Reference:
Eponides de MONTFORT, 1808, *1305, p. 127
Type Species:
Eponides de Montfort, 1808, *1305, p. 127 *Nautilus repandus Fichtel & MOLL, 1798, *716, p. 35, OD
Images
(Click to enlarge in a new window)
Fig. 544,1. *E. repandus (Fichtel & Moll), Rec., Italy(Gulf Naples), 1a-c, opposite sides and edge view of neotype, X39. (*1186).
Synonyms
Pulvinulus, Nautilus
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, trochospiral, biconvex, periphery angled to distinctly carinate with narrow to broad depression in umbilical region (pseudoumbilicus), septa double, with intraseptal passages, sutures curved on spiral side, nearly radial to curved or sigmoid on umbilical side, wall calcareous, finely perforate, radial in structure, bilamellar, with septa primarily doubled, surface may have secondarily formed pustules or ridges formed on previous whorl below aperture, primary aperture an interiomarginal arch without internal tooth plate, intercameral foramen may be restricted and partly areal in position.
References
Montfort, Denys de, 1808, Conchyliologie systématique et classification methodique des coquilles: v. 1, 1xxxvii+409 p.