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Verella
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Fusulinacea
Family:
Fusulinidae
Subfamily:
Fusulininae
Formal Genus Name and Reference:
Verella DALMATSKAYA, 1951, *551, p. 194
Type Species:
V . Warsanofievie: OD
Images
(Click to enlarge in a new window)
Fig. 312,4a. *v. warsanofievie, Kaial Stage, Penza Oblast (Kikina); axial sec. of holotype showing fluting at base of septa, X30 (*551). --Fig. 312,4b. V. spicala OAUIATSKAYA, Kaial Stage, Penza Oblast (Kikina); axial sec. of holotype, X30
(*551 ).
Synonyms
Geographic Distribution
USSR
Age Range
Beginning Stage in Treatise Usage:
U.Carb.
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
U.Carb.
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Shell minute, highly elongate-fusiform, axis of coiling arcuate to straight with as many as 4 volutions, proloculus large spirotheca thin, composed of tectum and distinct protheca, layers poorly differentiated; septa fluted at base in outer volutions, axial fillings distinct in all volutions except in outer part of last volution; tunnel singular, chomata asymmetrical and distinct (*551).
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Fusulinacea
Family:
Fusulinidae
Subfamily:
Fusulininae
Formal Genus Name and Reference:
Verella DALMATSKAYA, 1951, *551, p. 194
Type Species:
V . Warsanofievie: OD
Images
(Click to enlarge in a new window)
Fig. 312,4a. *v. warsanofievie, Kaial Stage, Penza Oblast (Kikina); axial sec. of holotype showing fluting at base of septa, X30 (*551). --Fig. 312,4b. V. spicala OAUIATSKAYA, Kaial Stage, Penza Oblast (Kikina); axial sec. of holotype, X30
(*551 ).
Synonyms
Geographic Distribution
USSR
Age Range
Beginning Stage in Treatise Usage:
U.Carb.
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
U.Carb.
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Shell minute, highly elongate-fusiform, axis of coiling arcuate to straight with as many as 4 volutions, proloculus large spirotheca thin, composed of tectum and distinct protheca, layers poorly differentiated; septa fluted at base in outer volutions, axial fillings distinct in all volutions except in outer part of last volution; tunnel singular, chomata asymmetrical and distinct (*551).