Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Cycloloculina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Orbitoidacea
Family:
Cibicididae
Subfamily:
Cibicidinae
Formal Genus Name and Reference:
Cycloloculina Heron-Allen & EARLAND, 1908, *906, p. 533
Type Species:
C. annulata, SD CUSHMAN, 1927, *433, p. 190
Images
(Click to enlarge in a new window)
Fig. 554,5,6. *C. annulata, Tert., Eng.; 5a,b, side and edge views, X71 (*2117), 6, early stage in transmitted light, X75 (*2075)
Synonyms
Cycloloceilina
Geographic Distribution
Eu.-N.Am.-Asia(Pak.)
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Mio.
Ending International Stage:
Messinian
Fraction Up In Ending Stage:
100
Ending Date:
5.34
Description
Test discoidal, about 1 mm . diam., peripheral margin smooth, rounded, planispiral or slightly asymmetrical in early stage, later chambers uncoiled and enveloping, finally annular, wall calcareous, of radially built calcite, coarsely perforate, "pores" consisting only of regularly arranged large openings that serve as apertures, no fine perforations, aperture consisting of large perforations.
References
Henrici, Heinz, , \& Earland, Arthur, 1908, On Cycloloculina, a new generic type of the Foraminifera, with a preliminary study of the foraminiferous deposits and shore-sands of Selsey Bill: Royal Micro. Soc. London, Jour., p. 529. 543, pl. 12.-(907) 1910, On the Recent and fossil Foraminifera of the shore-sands of Selsey Bill, Sussex, Part V. The Cretaceous Foraminifera: Same, p. 401-426, pl. 6-11.(908) 1913, On some Foraminitera from the North Sea, etc., dredged by the Fisheries Cruiser "Goldseeker" (International North Sea Investigations Scotland), III. On Cornuspira diffusa, a new type from the North Sea: Royal Micro. Soc. London, Jour., Trans. \& Proc., p. 272-276, pl. 12.-(909) 1913, Clare Island Survey. Foraminifera: Royal Irish Acad., Proc., v. 31, pt. 64, p. 1-188, pl. 1-13.-(910) 1914-15, The Foraminifera of the Kerimba Archipelago (Portugese East Africa): Zool. Soc. London, Trans., v. 20 (1912-1915); (a) Part 1, pt. 12, p. 363-390, pl. 35-37 (1914); (b) Part 2, pt. 17, p. 543-794, pl. 40-53, text-fig. 42-44 (1915).-(911) 1922, Protozoa, Part II. Foraminifera: British Antarctic ("Terra Nova") Exped., 1910, Zool., v. 6, no. 2, p. 25-268, pl. 1-8.-(912) 1924, The Foraminifera of Lord Howe Island, South Pacific: Linnean Soc. London, Jour., Zool., v. 35, p. 599-647, pl. 35 -37.-(913) 1928, On the Pegididae, a new family of Foraminitera: Royal Micro. Soc. London, Jour., v. 48, p. 283-299, pl. 1-3. (914) 1929-32, Some new Foraminifera from the South Atlantic: Same, ser. 3; (a) Pt. I, v. 49, p. 102-108, pl. 1-3 (1929); (b) Pt. Il.
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Orbitoidacea
Family:
Cibicididae
Subfamily:
Cibicidinae
Formal Genus Name and Reference:
Cycloloculina Heron-Allen & EARLAND, 1908, *906, p. 533
Type Species:
C. annulata, SD CUSHMAN, 1927, *433, p. 190
Images
(Click to enlarge in a new window)
Fig. 554,5,6. *C. annulata, Tert., Eng.; 5a,b, side and edge views, X71 (*2117), 6, early stage in transmitted light, X75 (*2075)
Synonyms
Cycloloceilina
Geographic Distribution
Eu.-N.Am.-Asia(Pak.)
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Mio.
Ending International Stage:
Messinian
Fraction Up In Ending Stage:
100
Ending Date:
5.34
Description
Test discoidal, about 1 mm . diam., peripheral margin smooth, rounded, planispiral or slightly asymmetrical in early stage, later chambers uncoiled and enveloping, finally annular, wall calcareous, of radially built calcite, coarsely perforate, "pores" consisting only of regularly arranged large openings that serve as apertures, no fine perforations, aperture consisting of large perforations.
References
Henrici, Heinz, , \& Earland, Arthur, 1908, On Cycloloculina, a new generic type of the Foraminifera, with a preliminary study of the foraminiferous deposits and shore-sands of Selsey Bill: Royal Micro. Soc. London, Jour., p. 529. 543, pl. 12.-(907) 1910, On the Recent and fossil Foraminifera of the shore-sands of Selsey Bill, Sussex, Part V. The Cretaceous Foraminifera: Same, p. 401-426, pl. 6-11.(908) 1913, On some Foraminitera from the North Sea, etc., dredged by the Fisheries Cruiser "Goldseeker" (International North Sea Investigations Scotland), III. On Cornuspira diffusa, a new type from the North Sea: Royal Micro. Soc. London, Jour., Trans. \& Proc., p. 272-276, pl. 12.-(909) 1913, Clare Island Survey. Foraminifera: Royal Irish Acad., Proc., v. 31, pt. 64, p. 1-188, pl. 1-13.-(910) 1914-15, The Foraminifera of the Kerimba Archipelago (Portugese East Africa): Zool. Soc. London, Trans., v. 20 (1912-1915); (a) Part 1, pt. 12, p. 363-390, pl. 35-37 (1914); (b) Part 2, pt. 17, p. 543-794, pl. 40-53, text-fig. 42-44 (1915).-(911) 1922, Protozoa, Part II. Foraminifera: British Antarctic ("Terra Nova") Exped., 1910, Zool., v. 6, no. 2, p. 25-268, pl. 1-8.-(912) 1924, The Foraminifera of Lord Howe Island, South Pacific: Linnean Soc. London, Jour., Zool., v. 35, p. 599-647, pl. 35 -37.-(913) 1928, On the Pegididae, a new family of Foraminitera: Royal Micro. Soc. London, Jour., v. 48, p. 283-299, pl. 1-3. (914) 1929-32, Some new Foraminifera from the South Atlantic: Same, ser. 3; (a) Pt. I, v. 49, p. 102-108, pl. 1-3 (1929); (b) Pt. Il.