Middle Triassic spicular radiolaria

• Paulian Dumitrica ^[1]
  1. [1] Institute of Geology and Geophysics, Bucharest, Romania
• Localización: Revista española de micropaleontología, ISSN 0556-655X, Vol. 14, Nº. 1-3, 1982, págs. 401-428
• Idioma: inglés
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• Resumen

  • All spicular Radiolaria found by the author in the Middle Triassic are recorded and described. A new plagiacanthid subfamily-Zamolxinae, including the new genera Zamolxis, Zaldacria, Tetrarchiplagia and Tandarnia with 12 new species, is established. Other 9 species, of which 7 are new, belonging to the spumellarian genera Archaeothamnulus n. gen., Archaeosemantis Dumitrica and Palhindeolithus Deflandre, are also described. Possible relationships between these radiolarians and some Paleozoic and Cenozoic taxa, as well as some problems of evolution are largely discussed.