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Cibicides
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Orbitoidacea
Family:
Cibicididae
Subfamily:
Cibicidinae
Formal Genus Name and Reference:
Cibicides de MONTFORT, 1808, *1305, p. 122
Type Species:
C. refulgens, OD
Images
(Click to enlarge in a new window)
Fig. 554,1. *C. refulgens, Rec., Atl.O., 1a-c, opposite sides and edge view, X61 (*2117)
Synonyms
Storilits
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test attached, plano-convex, trochospiral, spiral side flat to excavated, evolute, umbilical side strongly convex, involute, apertural face sharply angled, distinct from umbilical side, periphery angular, with nonporous keel; wall calcareous, radial in microstructure, bilamellar, coarsely perforate on spiral side, large pores of earlier chambers may be closed by lamellar thickening of wall, finely perforate on umbilical side, apertural bce nonporous; aperture a low interiomarginal opening with narrow lip, may extend along spiral suture on spiral side.
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:
Cibicididae
Subfamily:
Cibicidinae
Formal Genus Name and Reference:
Cibicides de MONTFORT, 1808, *1305, p. 122
Type Species:
C. refulgens, OD
Images
(Click to enlarge in a new window)
Fig. 554,1. *C. refulgens, Rec., Atl.O., 1a-c, opposite sides and edge view, X61 (*2117)
Synonyms
Storilits
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test attached, plano-convex, trochospiral, spiral side flat to excavated, evolute, umbilical side strongly convex, involute, apertural face sharply angled, distinct from umbilical side, periphery angular, with nonporous keel; wall calcareous, radial in microstructure, bilamellar, coarsely perforate on spiral side, large pores of earlier chambers may be closed by lamellar thickening of wall, finely perforate on umbilical side, apertural bce nonporous; aperture a low interiomarginal opening with narrow lip, may extend along spiral suture on spiral side.
References
Montfort, Denys de, 1808, Conchyliologie systématique et classification methodique des coquilles: v. 1, 1xxxvii+409 p.