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Bisphaera
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Parathuramminacea
Family:
Parathuramminidae
Formal Genus Name and Reference:
Bisphaera BIRINA, 1948, *139, p. 159
Type Species:
B, malevkensis; OD
Images
(Click to enlarge in a new window)
Fig. 226,1,2. *B. malevkensis, Dev., Bashkir, ASSR; 1, sectioned specimen; 2, reconstr., X 100 (*261).
Synonyms
Geographic Distribution
USSR(W,
Urals, Russian Platform
Age Range
Beginning Stage in Treatise Usage:
Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
L.Carb.(L.Tournais.)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
33
Ending Date:
355.15
Description
Test comprising single chamber but with central constriction suggesting tendency toward double-chambered form; wall single layered, of tinely granular calcite, porous; no aperture observed.
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Parathuramminacea
Family:
Parathuramminidae
Formal Genus Name and Reference:
Bisphaera BIRINA, 1948, *139, p. 159
Type Species:
B, malevkensis; OD
Images
(Click to enlarge in a new window)
Fig. 226,1,2. *B. malevkensis, Dev., Bashkir, ASSR; 1, sectioned specimen; 2, reconstr., X 100 (*261).
Synonyms
Geographic Distribution
USSR(W,
Urals, Russian Platform
Age Range
Beginning Stage in Treatise Usage:
Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
L.Carb.(L.Tournais.)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
33
Ending Date:
355.15
Description
Test comprising single chamber but with central constriction suggesting tendency toward double-chambered form; wall single layered, of tinely granular calcite, porous; no aperture observed.