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Triasina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Miliolina
Superfamily:
Miliolacea
Family:
Soritidae
Subfamily:
Peneroplinae
Formal Genus Name and Reference:
Triasina MAJZON, 1954, *1205, p. 245
Type Species:
T. hantkeni, OD
Images
(Click to enlarge in a new window)
Fig. 372,1-3. *T. hantkeni, 1,2, ext., X138, 3, equat. sec., X150 (*1205).
Synonyms
Geographic Distribution
Eu.(Hung.)
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:
U.Trias.
Ending International Stage:
Rhaetian
Fraction Up In Ending Stage:
100
Ending Date:
201.36
Description
Test free, numerous small chambers planispirally arranged in 7 to 9 whorls, short radial septa, wall calcareous, porcelaneous, imperforate, surface with small nodes; apertural character unknown.
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Miliolina
Superfamily:
Miliolacea
Family:
Soritidae
Subfamily:
Peneroplinae
Formal Genus Name and Reference:
Triasina MAJZON, 1954, *1205, p. 245
Type Species:
T. hantkeni, OD
Images
(Click to enlarge in a new window)
Fig. 372,1-3. *T. hantkeni, 1,2, ext., X138, 3, equat. sec., X150 (*1205).
Synonyms
Geographic Distribution
Eu.(Hung.)
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:
U.Trias.
Ending International Stage:
Rhaetian
Fraction Up In Ending Stage:
100
Ending Date:
201.36
Description
Test free, numerous small chambers planispirally arranged in 7 to 9 whorls, short radial septa, wall calcareous, porcelaneous, imperforate, surface with small nodes; apertural character unknown.