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Parafusulina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Fusulinacea
Family:
Fusulinidae
Subfamily:
Schwagerininae
Formal Genus Name and Reference:
Parafusulina Dunbar & SKINNER, 1931, *644, p. 258
Type Species:
P. wordensis, OD
Images
(Click to enlarge in a new window)
Fig. 318,1a. P. sutschanica (Dutkevitch), Perm. (Doliolinovaya F.), USSR(Ussuriy Region), axial sec., approx. X6.8 (*1816), --Fig. 318,1b. P. gracilis (Meek), L.Perm.(McCloud Ls.), USA(Calif.), axial sec., X10 (*1934), Fig. 318, 1 c-e. P. nosonensis Thompson & Wheeler, L . Perm.(Nosoni F.), USA(Calif.), Ic, axial sec. of holotype, 1d, sagittal sec. of paratype, le, tang. sec . of paratype showing development of cuniculi, all X10 (*1922). -- Fig. 318,1f. P. schucherti Dunbar & Skinner, L.Perm. (Bone Spring F.), USA(Tex.), axial sec. of lectotype, X10 (*646) [See also Fig. 275,6b, P. wanneri; 278, *P. wordensis; 282,1-6.]
Synonyms
Monodiexodina
Geographic Distribution
S.Am. (Peru-Colombia-Venez.), C.Am.(Guatemala), Mex., USA, N.Can., W.Can., Malay Arch. (Indonesia- Ma-laya), Japan, Asia(N.India-China)
Age Range
Beginning Stage in Treatise Usage:
Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Shell elongate, cylindrical to irregular in shape, spirotheca composed of tectum and alveolar keriotheca, abnormally thin for size of shell, septa intensely fluted, forming cuniculi, axial fillings heavy (*381, *644, *1816, *1922).
References
$\qquad$ \& Skinner, J. W., 1931, New fusulinid genera from the Permian of West Texas: Am. Jour. Sci., ser. 5, v. 22, p. 252-268, pl. 1-3.-(645) 1936, Schwagerina versus Pseudoschwagerina and Paraschwagerina: Jour. Paleontology, v. 10, p. 83-91, pl. 10-11. $\qquad$ (646) 1937, Pt. 2, Permian Fusulinidae of Texas: Univ. Texas, Bull. 3701, v. 3, p. 517. 825, pl. 42-81, fig. 89-97.
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Fusulinacea
Family:
Fusulinidae
Subfamily:
Schwagerininae
Formal Genus Name and Reference:
Parafusulina Dunbar & SKINNER, 1931, *644, p. 258
Type Species:
P. wordensis, OD
Images
(Click to enlarge in a new window)
Fig. 318,1a. P. sutschanica (Dutkevitch), Perm. (Doliolinovaya F.), USSR(Ussuriy Region), axial sec., approx. X6.8 (*1816), --Fig. 318,1b. P. gracilis (Meek), L.Perm.(McCloud Ls.), USA(Calif.), axial sec., X10 (*1934), Fig. 318, 1 c-e. P. nosonensis Thompson & Wheeler, L . Perm.(Nosoni F.), USA(Calif.), Ic, axial sec. of holotype, 1d, sagittal sec. of paratype, le, tang. sec . of paratype showing development of cuniculi, all X10 (*1922). -- Fig. 318,1f. P. schucherti Dunbar & Skinner, L.Perm. (Bone Spring F.), USA(Tex.), axial sec. of lectotype, X10 (*646) [See also Fig. 275,6b, P. wanneri; 278, *P. wordensis; 282,1-6.]
Synonyms
Monodiexodina
Geographic Distribution
S.Am. (Peru-Colombia-Venez.), C.Am.(Guatemala), Mex., USA, N.Can., W.Can., Malay Arch. (Indonesia- Ma-laya), Japan, Asia(N.India-China)
Age Range
Beginning Stage in Treatise Usage:
Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Shell elongate, cylindrical to irregular in shape, spirotheca composed of tectum and alveolar keriotheca, abnormally thin for size of shell, septa intensely fluted, forming cuniculi, axial fillings heavy (*381, *644, *1816, *1922).
References
$\qquad$ \& Skinner, J. W., 1931, New fusulinid genera from the Permian of West Texas: Am. Jour. Sci., ser. 5, v. 22, p. 252-268, pl. 1-3.-(645) 1936, Schwagerina versus Pseudoschwagerina and Paraschwagerina: Jour. Paleontology, v. 10, p. 83-91, pl. 10-11. $\qquad$ (646) 1937, Pt. 2, Permian Fusulinidae of Texas: Univ. Texas, Bull. 3701, v. 3, p. 517. 825, pl. 42-81, fig. 89-97.