Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Cyclammina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Lituolidae
Subfamily:
Cyclamminae
Formal Genus Name and Reference:
Cyclammina BRADY, 1879, *196a, p. 62
Type Species:
C. cancellata: OD (M)
Images
(Click to enlarge in a new window)
Fig. 142, 1-4. *C. cancellala, Rec., Atl. (1-3), Rec., Philip. (4); 1a,b, side and edge views, X 14 (*2117); 2,3, equat. and axial sees., X 18 (*1248); 4, equal. sec., X20 (*894).
Synonyms
Cyclammina
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test planispirally coiled, involute; chambers low, broad, numerous, with complex interior, reticulate hypodermis beneath imperforate outer layer; wall finely agglutinated, both walls and septa strongly labyrinthic, with intricate network of branching and anastomosing passages; aperture consisting of equatorial interiomarginal slit and series of rounded pores with raised margins scattered over face.
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Lituolidae
Subfamily:
Cyclamminae
Formal Genus Name and Reference:
Cyclammina BRADY, 1879, *196a, p. 62
Type Species:
C. cancellata: OD (M)
Images
(Click to enlarge in a new window)
Fig. 142, 1-4. *C. cancellala, Rec., Atl. (1-3), Rec., Philip. (4); 1a,b, side and edge views, X 14 (*2117); 2,3, equat. and axial sees., X 18 (*1248); 4, equal. sec., X20 (*894).
Synonyms
Cyclammina
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test planispirally coiled, involute; chambers low, broad, numerous, with complex interior, reticulate hypodermis beneath imperforate outer layer; wall finely agglutinated, both walls and septa strongly labyrinthic, with intricate network of branching and anastomosing passages; aperture consisting of equatorial interiomarginal slit and series of rounded pores with raised margins scattered over face.