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Globorotalia (Hirsutella) juanai Bermudez & Bolli 1969 from: Kennett, J.Srinivasan, M.S. (1983): Neogene Planktonic Foraminifera - A Phylogenetic Atlas.
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Species Globorotalia (Hirsutella) juanai Bermudez & Bolli 1969


Alternative name:
Diagnosis / Definition:
Kennett & Srinivasan (1983):
Test small, very low trochospiral, biconvex, equatorial periphery slightly lobulate; axial periphery rounded with a tendency to become subangular; chambers inflated on umbilical side, four to four and a half in the final whorl, increasing moderately to rapidly in size; sutures on spiral side oblique, depressed, on umbilical side radial, depressed; surface smooth, finely and densely perforate, pustulate on early chambers on umbilical side; umbilicus narrow; aperture interiomarginal, extraumbilical-umbilical, a low arch or slit bordered by a thin lip.
Discussion / Comments:
Kennett & Srinivasan (1983):
Gr. (H.) juanai is distinguished from Gr. (H.) scitula and Gr. (H.) margaritae by its rounded periphery and umbonate early chambers.
Synonym list:
Kennett & Srinivasan (1983):
1969 Globorotalia juanai Bermudez & Bolli. - Bermudez & Bolli : 171-172 pl 14 figs 1-6
Was used in synonym list of:
References:

Bermudez,P.J. and Bolli,H.M. (1969):
Consideraciones sobre los sedimentos del Mioceno medio al Reciente de las costas central y oriental de Venezuela . Bol. Geol., Dir. Geol., Minister. Minas Hidrocarb. Vol. 10

Kennett,J. and Srinivasan,M.S. (1983):
Neogene Planktonic Foraminifera - A Phylogenetic Atlas.

Anonymous: Unedited TaxonConcept data
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