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Chernyshinella
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Endothyridae
Subfamily:
Endothyranopsinae
Formal Genus Name and Reference:
Chernyshinella LIPINA, 1955, *1143, p. 47
Type Species:
Endothyra glomiformis LIPINA, 1948, *1141, p. 254, OD
Images
(Click to enlarge in a new window)
Fig. 267,1-3. *C. glomiformis (LIPINA), USSR; 1a,b, ext. views, X72 (*1509); 2, equat. sec., X70 (*1143); 3, axial sec., X35 (*649). --Fig. 267,
4,5. C. granulosa (ZELLER), L.Miss., USA(Utah); axial and equat. sees., X100 (*2104).
Synonyms
Granuliferella
Geographic Distribution
USSR-N.Am.-Japan.
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(Tournais.)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Carb.(Tournais.)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Test enrolled, slightly asymmetrical, coiling plectogyral, few volutions, umbilicate, chambers few to whorl and relatively large, septa oblique, continuing chamber curvature and not sharply delineated from outer chamber wall, which is single-layered, relatively thick, and granular, aperture low, narrow, equatorial interiomarginal slit. [Differs from Endothyra in having a single-layered wall, and from Endothyranopsis in its fewer, more inflated chambers in each whorl, and plectogyral coiling.]
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Endothyridae
Subfamily:
Endothyranopsinae
Formal Genus Name and Reference:
Chernyshinella LIPINA, 1955, *1143, p. 47
Type Species:
Endothyra glomiformis LIPINA, 1948, *1141, p. 254, OD
Images
(Click to enlarge in a new window)
Fig. 267,1-3. *C. glomiformis (LIPINA), USSR; 1a,b, ext. views, X72 (*1509); 2, equat. sec., X70 (*1143); 3, axial sec., X35 (*649). --Fig. 267,
4,5. C. granulosa (ZELLER), L.Miss., USA(Utah); axial and equat. sees., X100 (*2104).
Synonyms
Granuliferella
Geographic Distribution
USSR-N.Am.-Japan.
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(Tournais.)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Carb.(Tournais.)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Test enrolled, slightly asymmetrical, coiling plectogyral, few volutions, umbilicate, chambers few to whorl and relatively large, septa oblique, continuing chamber curvature and not sharply delineated from outer chamber wall, which is single-layered, relatively thick, and granular, aperture low, narrow, equatorial interiomarginal slit. [Differs from Endothyra in having a single-layered wall, and from Endothyranopsis in its fewer, more inflated chambers in each whorl, and plectogyral coiling.]