CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina bulloides subsp. extensa. Fordham 1986
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.
Original Description Moderate in size, robust; slightly elevated dextral trochospire, slightly loose parallel and perpendicular to axis. Equatorial outline distinctly quadrilobate; lateral outline slightly spiroconvex. Chambers globular to ovate, barely appressed, at least 11 in total, 4 in final whorl; chamber increase moderate until last, reduced chamber. Dorsal view: chambers circular, last few extended radially, slighty inflated; sutures weakly depressed; intercameral sutures radial if present. Ventral view: chambers inflated; intercameral sutures radial; chambers quickly separate proximally, leaving umbilicus open; aperture an umbilical low arch with a thick lip. Lateral view: smoothly rounded. Wall densely perforate with moderately developed interpore ridges. Size: Length, 270 µm; width, 300 µm; height, 180 µm. Etymology: Latin, extensus, stretched out, spread out. Extra details from original publication Description based on: Common material. Holotype fig.: Fordham 1986 Pl. 14, fig. 99. Editors' Notes
References:
Fordham, B. G. (1986). Miocene-Pleistocene planktic foraminifers from D.S.D.P. Sites 208 and 77, and phylogeny and classification of Cenozoic species. Queensland, Australia. 1-224. gs
Globigerina bulloides extensa compiled by the pforams@mikrotax project teamviewed: 6-2-2023
Fordham 1986 pl14-fig99.JPG
Fordham 1986 pl14-fig99.JPG
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