CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina chascanona Loeblich and Tappan, 1957a

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: pf_cat -> G -> Globigerina -> Globigerina chascanona
Other pages this level: << < G. bulloides compacta, G. bulloides cryptomphala, G. bulloides extensa, G. bulloides incrusta, G. bulloides quadripartita, G. bulloides recumbens, G. bulloides rubra pyramidalis, G. bulloides tripartita, G. butti, G. calabra, G. calida, G. calida praecalida, G. canariensis, G. carteri, G. cerroazulensis, G. chascanona, G. ciperoensis, G. ciperoensis angulisuturalis, G. ciperoensis angustiumbilicata, G. ciperoensis ottnangiensis, G. circumnodifer, G. clarae, G. clarkei, G. clippertonensis, G. coalingensis, G. colomi, G. columbae, G. compacta, G. compressa, G. compressa caucasica, G. compressaformis> >>

Globigerina chascanona

Citation: Globigerina chascanona Loeblich and Tappan, 1957a
Rank: Species
Type locality: Types and occurrence: Holotype (USNM P5842) and figured paratype (USNM P5843) from the Homers- town formation, north bank of Shingle Kun, a tributary to Crosswicks Creek, 1.0 mile north of New Egypt, Monmouth County, New Jersey. Collected by A. K. Loeblich, Jr., and Norman Sohl. Figured paratype (USNM P5844) from the Nanafalia formation, basal 6 feet of formation, road cut, 0.2 mile east of Turkey Creek bridge, and 1.2 miles east of Kimbrough Station, Wilcox County, Alabama. Collected by A. K. Loeblich, Jr.
Type age (chronostrat): P4
Type specimens: Holotype (USNM P5842) Figured paratype (USNM P5843) Figured paratype (USNM P5844)
Type repository: Washington; USNM

Linked specimens: USNM-5843 USNM-5842 USNM-5844

Current identification/main database link: Acarinina subsphaerica (Subbotina 1947)


Original Description

Test free, trochospiral, subglobular to high spiredperiphery rounded, peripheral outline lobulate, all chambers of the 2 and one-half to three whorls visible on the spiral side, with earlier whorls distnctly elevated above the level of the four to five chambers of the final whorl, only the final whorl visible on the umbilical side; final chamber may be somewhat reduced in size and  bulla-like; sutures distinct, depressed, slightly curved; aperture a small umbilical arch bordered with a narrow lip. Greatest diameter of holotype 0.20 mm.; height of spire 0.23 mm.


Size: Greatest diameter of holotype 0.20 mm., height of spire 0.23 mm.

Extra details from original publication
Remarks: G. chascanona, new species, differs from G. aquiensis, new species, and G. spiralis Bolli in having a very prominently spinose surface, smaller umbilical area, lower aperture, and in being much smaller in size.

References:

Loeblich, A. R. & Tappan, H. (1957b). Planktonic foraminifera of Paleocene and early Eocene Age from the Gulf and Atlantic coastal plains. In, Loeblich, A. R. , Jr., Tappan, H., Beckmann, J. P., Bolli, H. M., Montanaro Gallitelli, E. & Troelsen, J. C. (eds) Studies in Foraminifera. U.S. National Museum Bulletin. 215: 173-198. gs V O

Olsson, R. K., Hemleben, C., Berggren, W. A. & Huber, B. T. (1999). Atlas of Paleocene Planktonic Foraminifera. Smithsonian Institution Press, Washington, DC. 1-252. gs

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Globigerina chascanona compiled by the pforams@mikrotax project team viewed: 23-1-2021

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