Taxonomy of Bulgarian Triassic foraminifera. I. Familes Psammosphaeridae to Nodosinellidae

28 February 1992

journal article
Published by Geological Institute, Bulgarian Academy of Sciences in Geologica Balcanica

Vol. 22 (1) , 3-50
https://doi.org/10.52321/geolbalc.22.1.3

Abstract

74 species belonging to 31 genera are described. They are distributed in the families: Psammosphaeridae (Psammosphaera, Sorosphaera), Hyppocrepinidae (Hyppocrepina, Hyperamminoides), Ammodiscidae (Ammodiscus, Ammovertella, Tolypammina, Gandinella, Glomospira, Glomospirella, Pilammina, Pilamminella, Rectoglomospira). Hormosinidae (Reophax), Lituotubidae (Lituotuba, Plagioraphe), Lituolidae (Ammobaculites), Placopsilinidae (Placopsilina), Orbitopsellidae (Labyrinthina), Spiroplectamminidae (Spiroplectammina), Pseudobolivinidae (Pseudobolivina), Trochamminidae (Trochammina), Verneuilinidae (Verneuilinoides, Gaudryina, Gaudryinella), Cuneolinidae (Palaeolituonella), Textulariidae (Bigenerina), Earlandinidae (Earlandia), Caligellidae (Caligella), Earlandinitidae (Earlandinita) and Nodosinellidae (Nodosinella). In the article the LoebIich, Tappan's (1987) classification is applied. The foraminifers presented here derived from 54 borehole sections and 31 outcrops from different regions of Bulgaria.

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