Abstract

Antarctic Neogene radiolarians are abundant and have great potential for biostratigraphy and evolutionary research. Many of the species found in sediments have not yet been described and are thus unavailable for research purposes. In the first of a planned series, 24 new species of Antarctic Neogene radiolarians are described herein: two entactinarians (Orodapis hericina and Orodapis? ferrealuma), two spumellarians (Actinomma nigriniae and Carposphaera? annikae) and twenty nassellarians (Acrosphaera cuniculiauris, Amphimelissa? hibernifortuna, Antarctissa ballista, Artostrobus semazen, Botryopera gibbera, Carpocanium? uburex, Ceratocyrtis dolvenae, Cystophormis gargantua, Dendrospyris jobstae, Dictyophimus? kiwi, Dictyophimus larus, Gondwanaria clarae, Lithomelissa vespa, Lophophaena leberu, Siphonosphaera abelmannae, Siphostichartus jahnae, Spirocyrtis? hollisi, Stichophormis? cheni, Syscioscenium? wabisabi, Trisulcus pinguiculus).

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