CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina parva Bolli 1957

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 parva
Other pages this level: << < G. oligocaenica, G. orbiformis, G. ouachitaensis, G. ouachitaensis gnaucki, G. ouachitaensis senilis, G. ovoidea, G. oxfordiana, G. panormensis, G. parabulloides, G. paradubia, G. paraobesa, G. paratriloculinoides, G. paravenezuelana, G. parisiensis, G. partidiana, G. parva, G. patagonica, G. pauciloculata, G. pera, G. picassiana, G. pileata, G. planispira, G. planoexilis, G. polusi, G. portsdownensis, G. postcretacea, G. posttriloculinoides, G. posttriloculinoides clinata, G. praebulloides, G. praebulloides leroyi, G. praebulloides occlusa> >>

Globigerina parva

Citation: Globigerina parva Bolli 1957
Rank: species
Type locality: Stratigraphic range (in the Cipero formation): Globigerina ampliapertura zone.
Type age (chronostrat): Oligocene
Type specimens: Holotype (USNM P5606) from the Globigerina ampliapertura zone, Cipero type section, Trinidad, sample Bo 314A (TTOC 215658).
Type repository: Washington; USNM

Linked specimens: USNM-5606

Current identification/main database link: Globigerinita glutinata (Egger, 1893)


Original Description
Shape of test small, medium to high trochospiral; equatorial periphery distinctly lobate. Wall calcareous, perforate, surface smooth to very finely pitted. Chambers spherical; 10-12, arranged in about 21/2 whorls;the 4 or occasionally 5 chambers of the last whorl increase moderately in size. Sutures on spiral side radial, depressed; on umbilical side radial, depressed.
Umbilicus small. Aperture a medium to low arch; interiomarginal, umbilical. Coiling random.

Size: Largest diameter of holotype 0.25 mm.

Extra details from original publication
Remarks: Globigerina parva, new species, is separated from the G. ciperoensis subspecies ia being more trochospiral and in having usually 4 instead of 5 chambers in the last whorl. The new species occurs also in the upper Eocene.

References:

Bolli, H. M. (1957b). Planktonic foraminifera from the Oligocene-Miocene Cipero and Lengua formations of Trinidad, B.W.I. 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: 97-123. gs V O

Pearson, P. N., Wade, B. S. & Huber, B. T. (2018c). Taxonomy, biostratigraphy, and phylogeny of Oligocene Globigerinitidae (Dipsidripella, Globigerinita, and Tenuitella). In, Wade, B. S. , Olsson, R. K. , Pearson, P. N. , Huber, B. T. & Berggren, W. A. (eds) Atlas of Oligocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication. 46(Chap 16): 429-458. gs V O


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Globigerina parva compiled by the pforams@mikrotax project team viewed: 29-10-2020

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