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Some remarks on Nummulites specimens from localities in south-eastern Slovenia and north-western Croatia (CROSBI ID 738907)

Prilog sa skupa u časopisu | izvorni znanstveni rad

Ćosović, Vlasta ; Drobne, Katica Some remarks on Nummulites specimens from localities in south-eastern Slovenia and north-western Croatia // Annali del Museo Civico di Storia Naturale di Ferrara. 2000. str. 14-15-x

Podaci o odgovornosti

Ćosović, Vlasta ; Drobne, Katica

engleski

Some remarks on Nummulites specimens from localities in south-eastern Slovenia and north-western Croatia

The larger Foraminiferal faunas from the south-eastern Slovenia (Povlak, Šuštarica) and north-western Croatia (Višnjica and Ravna gora) are dominated by Nummulites specimens. The determination of Nummulites sp., in thin sections (mainly from their axial sections), is still rarely used. The five determined nummulitid species and subspecies, N. fabianii (Prever), N. fabianii retiatus Roveda, N.stellatus Roveda, N. incrassatus de la Harpe and N. sp. 1 (among them only N. fabianii occur at all localities) suggest Priabonian age (SBZ 19/20) of sediments. The extensive biometric analysis on equatorial section of megalospheric forms, resulted with reattribution of Roveda's (1970) N. fabianni retiatus into N. retiatus. The following parameters are used to distinguish axial section of megalospheric individuals: protoconch height, outer morphologies, diameter/thickness (d/t) ratio, presence or absence of alar prolongations and cetral pillars.

Nummulites; axial sections; outer morphologies

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Podaci o prilogu

14-15-x.

2000.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

Annali del Museo Civico di Storia Naturale di Ferrara

1127-4476

Podaci o skupu

Nepoznat skup

ostalo

29.02.1904-29.02.2096

Povezanost rada

Geologija