On the status of the Triassic Nassellarian radiolarian family Tetraspinocyrtiidae Kozur and Mostler and description of some related taxa

Publication date: January–March 2017
Source:Revue de Micropaléontologie, Volume 60, Issue 1
Author(s): Paulian Dumitrica
This paper is a contribution to the knowledge of Middle Triassic Nassellaria. Starting from the emendation of the Triassic nassellarian family Tetraspinocyrtiidae Kozur and Mostler, of its type genus and of the 4 species originally included in it, the article describes many other species and genera more or less related to them. Since the primary criteria for the systematics of Nassellaria are the knowledge of the structure of the initial spicule and the external morphology, and since the studied faunas presented here are very well preserved, the present contribution is based on the study of these nassellarians in optical microscopy that allows seeing both internal structures and external morphology. The studied radiolarians belong to 9 families of which 2 are new (Gradinariidae and Goestlingellidae with subfamilies Goestlingellinae and Spinotriassocampinae), 29 genera of which 21 are new (Siphunculovum, Pyramicyrtium, Eucyrtidielloides, Praepseudoeucyrtis, Micromissilus, Lithopinguis, Triassomelissa, Hungerbuehleria, Pelsonocyrtis, Spelagor, Gradinaria, Paragradinaria, Liftariella, Hagmanella, Adramanda, Komospinocyrtis, Turrinasus, Ruthicyrtis, Stylosaltatrix, Tristylosaltatrix, and Ovospinocyrtium) and 88 species, of which 74 are new.

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