Oesterle 1968 fig 50.JPG
holotype illus-381.jpg
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.
Oesterle 1968 fig 50.JPG
holotype illus-381.jpgCurrent identification/main database link: Conoglobigerina helvetojurassica (Haeusler, 1881 emend. Oesterle, 1968) Gradstein et al. (2017)
Original Description
Test milky white, smooth, more rarely more or less rough, 5 to 6 chambers with the last 5 nearly of same size. Test appears finely punctuate under high magnification. Fragments are abundant and completely preserved specimens are numerous mainly at B_zen and B_ren. The half-moon shaped and often narrow openings can be readily observed on these specimens, in particular on the less corroded specimens.
Haeusler, R. (1881). Untersuchungen uber die microscopischen Structurverhaltnisse de Aargauer Jurakalke mit besonderer Berucksichtigung ihrer Foraminiferenfauna. Dissertation, Univ Zurich. 1-47. gs Oesterle, H. (1968). Foraminiferen der Typlokalitat der Birmenstor- fer-Schichten, unterer Malm. Eclogae Geologicae Helvetiae. 61(2): 695-792. gs V OReferences:
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Globigerina helvetojurassica compiled by the pforams@mikrotax project team viewed: 22-4-2021
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