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Hemigordiopsis
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Miliolina
Superfamily:
Miliolacea
Family:
Fischerinidae
Subfamily:
Cyclogyrinae
Formal Genus Name and Reference:
Hemigordiopsis Reichel, 1945, *1516, p. 528
Type Species:
H. renzi, OD
Images
(Click to enlarge in a new window)
Fig. 332,1,2. *H. renzi; la, axial sec. of holotype (wall appears dark and chamber cavity light); 1b, holotype, diagrammatic to show early streptospiral development and later planispiral coiling, X20; 2, equat. sec. of paratype showing non-septate tube, X20 (*1516).
Synonyms
Geographic Distribution
E.Medit.(Cyprus)
Age Range
Beginning Stage in Treatise Usage:
Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Test globular, consisting of globular proloculus followed by nonseptate second chamber, coiling streptospiral in early portion and later planispiral, involute, so that only final whorl is visible externally; wall calcareous, porce!aneous, thick, chamber cavity much reduced. [Hemigordiopsis is similar to Vidalina and Hemigordius in its involute, later planispiral development, but differs from Vidalina in early streptospiral coiling, and differs from Vidalina and Hemigordius in its globular test resulting from very broad and low chambers.]
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Miliolina
Superfamily:
Miliolacea
Family:
Fischerinidae
Subfamily:
Cyclogyrinae
Formal Genus Name and Reference:
Hemigordiopsis Reichel, 1945, *1516, p. 528
Type Species:
H. renzi, OD
Images
(Click to enlarge in a new window)
Fig. 332,1,2. *H. renzi; la, axial sec. of holotype (wall appears dark and chamber cavity light); 1b, holotype, diagrammatic to show early streptospiral development and later planispiral coiling, X20; 2, equat. sec. of paratype showing non-septate tube, X20 (*1516).
Synonyms
Geographic Distribution
E.Medit.(Cyprus)
Age Range
Beginning Stage in Treatise Usage:
Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Test globular, consisting of globular proloculus followed by nonseptate second chamber, coiling streptospiral in early portion and later planispiral, involute, so that only final whorl is visible externally; wall calcareous, porce!aneous, thick, chamber cavity much reduced. [Hemigordiopsis is similar to Vidalina and Hemigordius in its involute, later planispiral development, but differs from Vidalina in early streptospiral coiling, and differs from Vidalina and Hemigordius in its globular test resulting from very broad and low chambers.]