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Brunsia
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Archaediscidae
Formal Genus Name and Reference:
Brunsia MIKHAYLOV, 1939, *1260, p. 58
Type Species:
Spirillina irregularis von MÖLLER, 1879, *1295, p. 41, OD
Images
(Click to enlarge in a new window)
Fig. 272,5. B. plana (Miklukho-Maklay), Pamir region, axial sec. of holotype, X100 (*1266). --Fig. 272,6. B. incerta (Grozdilova & Lebedeva), Baskir region, holotype, X100 (*1509). --Fig. 272,7,8. B. pulchra Mikhaylov, Ukraine, equat. and axial secs., X100 (*1509). --Fig. 272,9. *B. irregularis (von Möller), holotype, X135 (*700). --Fig. 272,10,11. B. spirillinoides (Rauzer-Chernousova), Kazakh., 10, axial sec. of holotype, 11, equat. sec. of paratype, X75 (*1505). --Fig. 272,12. B. pamirensis (A. D. Miklukho-Maklay), Visean, Pamir region, holotype, horiz. sec., X180 (*1274)
Synonyms
Geographic Distribution
Eu.(USSR), Asia(USSR)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
0
Beginning Date:
346.73
Ending Stage in Treatise Usage:
U.Carb.(Namur.)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
48.4
Ending Date:
319.4
Description
Test discoidal, consisting of proloculus followed by coiled nonseptate tubular chamber, which in early stage is plectogyral as in Archaediscus and in later stage is planispiral, wall calcareous, perforate, without lateral thickening, aperture at open end of tubular chamber.
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Archaediscidae
Formal Genus Name and Reference:
Brunsia MIKHAYLOV, 1939, *1260, p. 58
Type Species:
Spirillina irregularis von MÖLLER, 1879, *1295, p. 41, OD
Images
(Click to enlarge in a new window)
Fig. 272,5. B. plana (Miklukho-Maklay), Pamir region, axial sec. of holotype, X100 (*1266). --Fig. 272,6. B. incerta (Grozdilova & Lebedeva), Baskir region, holotype, X100 (*1509). --Fig. 272,7,8. B. pulchra Mikhaylov, Ukraine, equat. and axial secs., X100 (*1509). --Fig. 272,9. *B. irregularis (von Möller), holotype, X135 (*700). --Fig. 272,10,11. B. spirillinoides (Rauzer-Chernousova), Kazakh., 10, axial sec. of holotype, 11, equat. sec. of paratype, X75 (*1505). --Fig. 272,12. B. pamirensis (A. D. Miklukho-Maklay), Visean, Pamir region, holotype, horiz. sec., X180 (*1274)
Synonyms
Geographic Distribution
Eu.(USSR), Asia(USSR)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
0
Beginning Date:
346.73
Ending Stage in Treatise Usage:
U.Carb.(Namur.)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
48.4
Ending Date:
319.4
Description
Test discoidal, consisting of proloculus followed by coiled nonseptate tubular chamber, which in early stage is plectogyral as in Archaediscus and in later stage is planispiral, wall calcareous, perforate, without lateral thickening, aperture at open end of tubular chamber.