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Trochammina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Trochamminidae
Subfamily:
Trochammininae
Formal Genus Name and Reference:
Trochammina PARKER & JONES, 1859, *1417b, p. 347
Type Species:
Nalltillls inflatlls MONTAGU, 1808, °1299, p. 81; OD (M)
Images
(Click to enlarge in a new window)
Fig. 173,1. *T. inflata (MONTAGU), Rec., N.Atl.; Ia-c, spiral and umbilical sides and edge view, X86 (·2117). --Fig. 173,2. T. globigeriniformis (PARKER & JONES), Rec., N.Atl.; 2a-c, opposite sides and edge view of lectotype (here designated and re-figured) of Lituola nautiloidea LAMARCK var. globigeriniformis PARKER & JONES (1865, *1418, pI. 17, fig. 96), X146 (*2117).
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, trochospiral; globular to ovate chambers increasing gradually in size; wall agglutinated; aperture low interiomarginal extra-umbilical-umbilical arch which may have narrow bordering lip.
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Trochamminidae
Subfamily:
Trochammininae
Formal Genus Name and Reference:
Trochammina PARKER & JONES, 1859, *1417b, p. 347
Type Species:
Nalltillls inflatlls MONTAGU, 1808, °1299, p. 81; OD (M)
Images
(Click to enlarge in a new window)
Fig. 173,1. *T. inflata (MONTAGU), Rec., N.Atl.; Ia-c, spiral and umbilical sides and edge view, X86 (·2117). --Fig. 173,2. T. globigeriniformis (PARKER & JONES), Rec., N.Atl.; 2a-c, opposite sides and edge view of lectotype (here designated and re-figured) of Lituola nautiloidea LAMARCK var. globigeriniformis PARKER & JONES (1865, *1418, pI. 17, fig. 96), X146 (*2117).
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, trochospiral; globular to ovate chambers increasing gradually in size; wall agglutinated; aperture low interiomarginal extra-umbilical-umbilical arch which may have narrow bordering lip.