Welcome to the Treatise on Invertebrate Paleontology! -->
Please enter a genera name to retrieve more information.
Biplanispira
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Rotaliacea
Family:
Nummulitidae
Subfamily:
Nummulitinae
Formal Genus Name and Reference:
Biplanispira Umbgrove, 1937, *1970, p. 309. [nom. subst. pro Heterospira UMBGROVE, 1936, *1969, p. 156 (non KOKEN, 1896)]
Type Species:
Heterospira mirabilis Umbgrove, 1936, *1969, p. 157, OD
Images
(Click to enlarge in a new window)
Fig. 520,3. *M. miscella (d'Archiac & Haime), India, 3a, ext. view, X10; 3b, med. sec., X12.5; 3c, transv. sec., X20 (*362).
Synonyms
Geographic Distribution
Paleoc., Eu.-Asia (India)
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Paleoc.
Ending International Stage:
Thanetian
Fraction Up In Ending Stage:
100
Ending Date:
56
Description
Median layer single, composed of a loose coil of chambers separated by canaliferous shell material, covering walls thick, coarsely perforate
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Rotaliacea
Family:
Nummulitidae
Subfamily:
Nummulitinae
Formal Genus Name and Reference:
Biplanispira Umbgrove, 1937, *1970, p. 309. [nom. subst. pro Heterospira UMBGROVE, 1936, *1969, p. 156 (non KOKEN, 1896)]
Type Species:
Heterospira mirabilis Umbgrove, 1936, *1969, p. 157, OD
Images
(Click to enlarge in a new window)
Fig. 520,3. *M. miscella (d'Archiac & Haime), India, 3a, ext. view, X10; 3b, med. sec., X12.5; 3c, transv. sec., X20 (*362).
Synonyms
Geographic Distribution
Paleoc., Eu.-Asia (India)
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Paleoc.
Ending International Stage:
Thanetian
Fraction Up In Ending Stage:
100
Ending Date:
56
Description
Median layer single, composed of a loose coil of chambers separated by canaliferous shell material, covering walls thick, coarsely perforate