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Recurvoides
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Lituolidae
Subfamily:
Haplophragmoidinae
Formal Genus Name and Reference:
Recurvoides EARLAND, 1934, *653, p. 91
Type Species:
R. contortus, OD
Images
(Click to enlarge in a new window)
Fig. 136,9. *R. contortus, Rec., Antarctic, 9a,b, opposite sides, 9c, edge view, all X44 (*2117). --Fig. 138,1. R. trochamminiforme Höglund, Rec., Sweden, diagram of progressive change in coiling plan, X175 (*924). --Fig. 138,2. R. laevigatum Höglund, Rec., Sweden, sectioned specimen showing position of aperture and change in direction of coiling, X155 (*924)
Synonyms
Geographic Distribution
Antarctic-Carib.-Eu.-N. Am.-Atl.-Pac.
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, subglobular, coiling streptospiral, with few chambers in each whorl, later whorls in differing planes so that exterior somewhat resembles Trochammina, although only earlier periphery and not all earlier whorls are visible from spiral side, wall agglutinated, thin, aperture small, areal, with distinct bordering lip.
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Lituolidae
Subfamily:
Haplophragmoidinae
Formal Genus Name and Reference:
Recurvoides EARLAND, 1934, *653, p. 91
Type Species:
R. contortus, OD
Images
(Click to enlarge in a new window)
Fig. 136,9. *R. contortus, Rec., Antarctic, 9a,b, opposite sides, 9c, edge view, all X44 (*2117). --Fig. 138,1. R. trochamminiforme Höglund, Rec., Sweden, diagram of progressive change in coiling plan, X175 (*924). --Fig. 138,2. R. laevigatum Höglund, Rec., Sweden, sectioned specimen showing position of aperture and change in direction of coiling, X155 (*924)
Synonyms
Geographic Distribution
Antarctic-Carib.-Eu.-N. Am.-Atl.-Pac.
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, subglobular, coiling streptospiral, with few chambers in each whorl, later whorls in differing planes so that exterior somewhat resembles Trochammina, although only earlier periphery and not all earlier whorls are visible from spiral side, wall agglutinated, thin, aperture small, areal, with distinct bordering lip.