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Ophthalmidium
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Miliolina
Superfamily:
Miliolacea
Family:
Nubeculariidae
Subfamily:
Ophthalmidiinae
Formal Genus Name and Reference:
Ophthalmidium Kübler & ZWINGLI, 1870, *1061, p. 46. [pro Oculina KUBLER & ZWINGLI, 1866, *1060, p. 11 (non LAMARCK, 1816)]
Type Species:
Oculinaliasica KUBLER & ZWINGLI, 1866, *1060, p. 11; OD
Images
(Click to enlarge in a new window)
Fig. 340,1. *O. liasica (KUBLER & ZWINGLI), U.Lias., Eu.(Switz.); holotype (small megalospheric specimen), X 14 (*2071). --Fig. 340,2. O. acutimargo (BRADY), Rec., S.Atl.O.; 2a,b, side and top views of topotype, X48 (*2117).
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Trias.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, ovate to fusiform in outline, flattened, consisting of globular proloculus followed by spirally wound second chamber of one-half to complete whorl in length, later chambers one-half coil in length and regularly added, chambers may taper slightly from early portion to oral end, and may be loosely coiled with flattened plate between whorls; wall calcareous, imperforate, porcelaneous; aperture rounded to ovate, at end of final chamber.
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Miliolina
Superfamily:
Miliolacea
Family:
Nubeculariidae
Subfamily:
Ophthalmidiinae
Formal Genus Name and Reference:
Ophthalmidium Kübler & ZWINGLI, 1870, *1061, p. 46. [pro Oculina KUBLER & ZWINGLI, 1866, *1060, p. 11 (non LAMARCK, 1816)]
Type Species:
Oculinaliasica KUBLER & ZWINGLI, 1866, *1060, p. 11; OD
Images
(Click to enlarge in a new window)
Fig. 340,1. *O. liasica (KUBLER & ZWINGLI), U.Lias., Eu.(Switz.); holotype (small megalospheric specimen), X 14 (*2071). --Fig. 340,2. O. acutimargo (BRADY), Rec., S.Atl.O.; 2a,b, side and top views of topotype, X48 (*2117).
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Trias.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, ovate to fusiform in outline, flattened, consisting of globular proloculus followed by spirally wound second chamber of one-half to complete whorl in length, later chambers one-half coil in length and regularly added, chambers may taper slightly from early portion to oral end, and may be loosely coiled with flattened plate between whorls; wall calcareous, imperforate, porcelaneous; aperture rounded to ovate, at end of final chamber.