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Rauserella
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Fusulinacea
Family:
Ozawainellidae
Formal Genus Name and Reference:
Rauserella DUNBAR, 1944, *638, p. 37
Type Species:
R. erratica, OD
Images
(Click to enlarge in a new window)
Fig. 299,1. * R. erratica, Delaware F., Mex.(La Difunta), 1a, axial sec. through proloculus, X25, sagittal sec. through proloculus, X25, 1c, parallel sec., X25, axial sec. through proloculus showing erratic coiling, X25 (*1922).
Synonyms
Geographic Distribution
N.Am.(Tex.-Mex.)-Japan
Age Range
Beginning Stage in Treatise Usage:
U.Perm.
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Early volutions discoidal, later ones irregularly subcylindrical and coiled at large angle to early volutions, mature shell small, septa plane, wall of tectum with upper and lower tectoria in inner volutions, of tectum and diaphanotheca in outer volutions (*638, *1012, *1017).
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Fusulinacea
Family:
Ozawainellidae
Formal Genus Name and Reference:
Rauserella DUNBAR, 1944, *638, p. 37
Type Species:
R. erratica, OD
Images
(Click to enlarge in a new window)
Fig. 299,1. * R. erratica, Delaware F., Mex.(La Difunta), 1a, axial sec. through proloculus, X25, sagittal sec. through proloculus, X25, 1c, parallel sec., X25, axial sec. through proloculus showing erratic coiling, X25 (*1922).
Synonyms
Geographic Distribution
N.Am.(Tex.-Mex.)-Japan
Age Range
Beginning Stage in Treatise Usage:
U.Perm.
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Early volutions discoidal, later ones irregularly subcylindrical and coiled at large angle to early volutions, mature shell small, septa plane, wall of tectum with upper and lower tectoria in inner volutions, of tectum and diaphanotheca in outer volutions (*638, *1012, *1017).