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Brevaxina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Fusulinacea
Family:
Verbeekinidae
Subfamily:
Verbeekininae
Formal Genus Name and Reference:
Brevaxina Schenck & Thompson, 1940, *1646, p. 587
Type Species:
Doliolina compressa DEPRAT, 1915, *587A, p. 14, OD
Images
(Click to enlarge in a new window)
Fig. 323,2. *B. compressa (DEPRAT), Laos (Cammon); 2a, sagittal sec. of paratype, X 12; 2b, axial sec. of holotype, X12 (*1922).
Synonyms
Geographic Distribution
Asia(Laos-USSR)
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 small, subspherical, axis of coiling in shortest diameter through proloculus, polar ends deeply umbilicate, spirotheca thick, with structure as in Misellina, parachomata high, extending more than half height of chambers, foramina circular in section, located near lower part of chamber, numerous (as many as 24) in last volution (*1646).
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Fusulinacea
Family:
Verbeekinidae
Subfamily:
Verbeekininae
Formal Genus Name and Reference:
Brevaxina Schenck & Thompson, 1940, *1646, p. 587
Type Species:
Doliolina compressa DEPRAT, 1915, *587A, p. 14, OD
Images
(Click to enlarge in a new window)
Fig. 323,2. *B. compressa (DEPRAT), Laos (Cammon); 2a, sagittal sec. of paratype, X 12; 2b, axial sec. of holotype, X12 (*1922).
Synonyms
Geographic Distribution
Asia(Laos-USSR)
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 small, subspherical, axis of coiling in shortest diameter through proloculus, polar ends deeply umbilicate, spirotheca thick, with structure as in Misellina, parachomata high, extending more than half height of chambers, foramina circular in section, located near lower part of chamber, numerous (as many as 24) in last volution (*1646).