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.
Current identification/main database link: Globigerinoides Cushman 1927, emend Spezzaferri et al. 2015
Original Description
Size:
Etymology:
Extra details from original publication
Scanning electron micrographs show that surface features of G. mitra are also different from those of Globigerinoides in having level interpore areas between circular pores of nearly uniform diameter. In Globigerinoides, interpore areas are in the form of narrow ridges with flat. broad bases.
The surface structure of G. mitra is also distinguished by the presence of scattered pore areas "plugged up" by lumplike calcite growths (see upper left corner of plate 7. figure 7). These lumplike calcite fillings of areas where pore openings are otherwise expected are also found in Protentella prolixa (plate 7. igure 4). However, Protentella differs in having additional mound-like calcite growths on top of the interpore areas as well.
Editors' Notes
Bé, A. , W. H. (1965). The influence of depth on shell growth in Globigerinoides sacculifer (Brady). Micropaleontology. 11(1): 81-97. gs Hemleben, C. (1969). Zur morphogenese planktonischer Foraminiferen,. Zitteliana. 1: 91-133. gs Saito, T., Thompson, P. R. & Breger, D. (1976). Skeletal ultra-microstructure of some elongate-chambered planktonic foraminifera and related species. In, Takayanagi, Y. & Saito, T. (eds) Progress in Micropaleontology, Special Publication. Micropaleontology Press, The American Museum of Natural History, New York 278-304. gs Todd, R. (1957). Smaller foraminifera, in Geology of Saipan, Mariana Islands, Pt. 3, Paleontology. U.S. Geological Survey, Professional Paper. 280-H: 265-320. gs V OReferences:
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Globicuniculus compiled by the pforams@mikrotax project team viewed: 8-2-2023
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