CATALOG OF ORIGINAL DESCRIPTIONS: Globorotalia fohsi Cushman & Ellisor 1939
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 Test somewhat longer than broad, unequally biconvex, dorsal side somewhat less convex than the ventral side which is umbili cate, periphery of the earlier part subacute to slightly rounded, in the later portion more acute; chambers very distinct, six or seven in the adult whorl, increasing rapidly in size, and especially in height as added, slightly inflated, especially on the ventral side; sutures distinct, slightly depressed, more so on the ventral side, somewhat limbate dorsally, slightly curved and nearly radial on the. ventral side, strongly curved on the dorsal side; wall distinctly perforate, smooth; aperture, an elongate opening on ventral side of the margin of the last-formed chamber, extending from the umbilicus nearly to the periphery, with a distinct lip. Size: Length 0.45-0.55 mm. ; breadth 0.30-0.35 mm. ; thickness 0.20 mm. Etymology: It is named for F. Julius Fohs. Extra details from original publication This should make a distinctive stratigraphic marker for the Miocene. It differs from Globorotalia menardii (d'Orbigny) in the shape of the chambers which are much lower in our species, more strongly curved sutures, and more elongate test.
References:
Blow, W. H. & Banner, F. T. (1966). The morphology, taxonomy and biostratigraphy of Globorotalia barisanensis LeRoy, Globorotalia fohsi Cushman and Ellisor, and related taxa. Micropaleontology. 12(3): 286-302. gs
Cushman, J. A. & Ellisor, A. C. (1939). New species of foraminifera from the Oligocene and Miocene. Contributions from the Cushman Laboratory for Foraminiferal Research. 15: 1-14. gs
Globorotalia fohsi compiled by the pforams@mikrotax project teamviewed: 9-12-2025
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