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Hyperammina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Ammodiscacea
Family:
Astrorhizidae
Subfamily:
Hippocrepininae
Formal Genus Name and Reference:
Hyperammina BRADY, 1878, *195, p. 433
Type Species:
H. elongata, OD (M)
Images
(Click to enlarge in a new window)
Fig. 106,2. *H. elongata, Rec., Cape Frazer (N.Polar Exped. 1875-76), 2a,b, side and top views of lectotype (here designated and redrawn, BMNH-ZF 3604), X28, X48 (*2117). --Fig. 106,3. H. abyssorum (G. M. Dawson), Rec., Canada (Lab.), X7 (*2117)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, elongate, cylindrical, consisting of bulbous proloculus and long tubular second chamber generally somewhat smaller than proloculus in diameter, wall agglutinated, commonly of angular quartz fragments with small amount of calcareous or ferruginous cement, aperture terminal, rounded, constricted. [Hyperammina differs from Hippoerepina in being more coarsely agglutinated and in having an inflated base and narrowed later portion.]
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Ammodiscacea
Family:
Astrorhizidae
Subfamily:
Hippocrepininae
Formal Genus Name and Reference:
Hyperammina BRADY, 1878, *195, p. 433
Type Species:
H. elongata, OD (M)
Images
(Click to enlarge in a new window)
Fig. 106,2. *H. elongata, Rec., Cape Frazer (N.Polar Exped. 1875-76), 2a,b, side and top views of lectotype (here designated and redrawn, BMNH-ZF 3604), X28, X48 (*2117). --Fig. 106,3. H. abyssorum (G. M. Dawson), Rec., Canada (Lab.), X7 (*2117)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, elongate, cylindrical, consisting of bulbous proloculus and long tubular second chamber generally somewhat smaller than proloculus in diameter, wall agglutinated, commonly of angular quartz fragments with small amount of calcareous or ferruginous cement, aperture terminal, rounded, constricted. [Hyperammina differs from Hippoerepina in being more coarsely agglutinated and in having an inflated base and narrowed later portion.]