Catalog - Globigerina quadrilatera Catalog - Globigerina quadrilatera

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina quadrilatera Galloway & Wissler 1927

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 quadrilatera
Other pages this level: << < G. pseudodruryi, G. pseudoedita, G. pseudoeocaena, G. pseudoeocaena compacta, G. pseudoeocaena ellipsocamera, G. pseudoeocaena perfida, G. pseudoeocaena pseudoeocaena, G. pseudoeocaena trilobata, G. pseudoiota, G. pseudotriloba, G. pseudotriloba Shutskaya, G. puncticulata, G. pyriporosa, G. quadrata, G. quadricamerata, G. quadrilatera, G. quadrilobata, G. quadritriloculinoides, G. quinqueloba, G. quinqueloba egelida, G. radians, G. regina, G. regularis, G. reticulata, G. ridenda, G. riveroae, G. roblesae, G. rohri, G. rosacea, G. rosetta, G. rotundaenana> >>

Globigerina quadrilatera

Citation: Globigerina quadrilatera Galloway & Wissler 1927
taxonomic rank: species
Type specimens: Plate 7, fig 11.; No. 19824
Type sample (& lithostrat): from the middle bed at the D. M. S. & B. Quarry., Lower San Pedro Fm.
Type age (chronostrat): Pleistocene
Type locality: Lomita Quarry, Palos Verdes Hills, California
Type repository: Columbia University Paleo. Coll.

Linked specimens: USNM-454927

Current identification/main database link: Globigerina bulloides d’Orbigny, 1826

Original Description

Test quadrate, consisting of about ten inflated chambers, four of which form the last whorl, regularly increasing in size up to the final segment which is typically smaller than the preceding, spire low; sutures deeply depressed; wall reticulate, with spines or knobs at the angles between the pores; aperture at the inner margin of the last chamber, opening into the umbilicus in which the apertures of the preceding chambers are often visible.

Length of the type specimen, 0.28 mm.; width, 0.26 mm.

Extra details from original publication
Occurrence: Common in all three beds at the D. M. S. & B. Quarry. Very rare in the Pliocene at Timms Point, San Pedro, California. Rare in well samples from the Saugus and the Upper Pico of the Los Angeles Basin and fairly common in those from the Lower Pico. Common in the Puente of the Basin.

This species is distinguished by its quadrate form and smaller last chamber. It differs from G. diplostoma Reuss (Denkschr. k. Ak. Wiss. Wien. Math.-Naturw. Cl., vol. 1, 1850, p. 373, pl. 47, figs. 9, 10, pl. 48, fig. i) by its more closely appressed chambers and smaller last one.


Galloway, J. J. & Wissler, S. G. (1927). Pleistocene foraminifera from the Lomita Quarry, Palos Verdes Hills, California. Journal of Paleontology. 1(1): 35-87. gs


Globigerina quadrilatera compiled by the pforams@mikrotax project team viewed: 25-6-2024

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