CATALOG OF ORIGINAL DESCRIPTIONS: Globotruncana nakkadyi Abdel-Kireem and Abdou 1979

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 -> Globotruncana -> Globotruncana nakkadyi
Other pages this level: << < G. linneiana obliqua, G. linneiformis, G. lobata, G. loeblichi, G. loefgreni, G. lugeoni, G. lugeoni angulata, G. lunaris, G. marginata austinensis, G. marianosi, G. mariei, G. mayaroensis, G. mexicana, G. monmouthensis, G. morozovae, G. nakkadyi, G. naqibi, G. navarroensis, G. neotricarinata, G. orientalis, G. pessagnoi, G. postrugosa, G. poststephensoni, G. pozaryskae, G. pseudoconica, G. pseudofornicata, G. pura, G. pustulifera, G. putahensis, G. qabeliatensis, G. quadrata, > >>

Globotruncana nakkadyi

Citation: Globotruncana nakkadyi Abdel-Kireem and Abdou 1979
Rank: Species

Current identification/main database link: Globotruncana aegyptiaca Nakkady 1950


Original Description
Test trochospiral, planoconvex, spiral side flattened, umbilical side strongly convex, conical in shape in the axial view; equatorial periphery generally subcircular, quadrate, moderately lobulate, having two parallel, well-developed, moderately spaced, finely beaded keels, on the last two chambers keel unbeaded; chambers on spiral side initially small, globular, increasing gradually in size as added; final whorl consisting of five, large, crescentic, moderately inflated chambers; the ultimate chamber much smaller in size than the penultimate ones; chambers umbilically subrectangular, increasing gradually in size as added, conical-convex in axial view; spiral suture strongly curved, raised; umbilical sutures curved, depressed; surface chambers finely, widely spaced papillate; final chamber smooth; wall finely perforate; umbilicus extremely wide, covered with irregular hexagonal, very large, thick tegillum, with intralaminal and infralaminal accessory apertures; primary aperture interiomarginal, umbilical; coiling predominantly dextral.

References:

Abdel-Kireem, M. R. & Abdou, H. F. (1979). Upper Cretaceous-lower Tertiary planktonic foraminifera from South Galala Plateau, Eastern Desert, Egypt. Revista Española de Micropaleontología. 11(2): 175-222. gs


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Globotruncana nakkadyi compiled by the pforams@mikrotax project team viewed: 10-4-2020

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