Description
Summary:In this last paper in our planned series, we describe 25 new radiolarian species from the Antarctic Neogene: 6 spumellarians ( Lithatractus ? floridus, Spongopylidium ? aerostatum, Haeckeliella hederacia, Larcopyle faustae, Excentrodiscus planangulus and E. lappaceus ) and 19 nassellarians ( Anthocyrtidium sp., Artostrobus ? oganeae, Botryostrobus exstructus, Ceratospyris clarki, Cornutella burgundiensis, Cystophormis petrushevskayae, Dendrospyris quadripes, Enneaphormis tippula, Euscenarium funakawai, Lophophaena kamikurii, L. rhopalica, Lychnocanium andreae, Periarachnium pauliani, Peridium tortonianicum, Phormacantha garbela, Phormospyris punnulis, Rhodospyris ? morleyi, Rhodospyris pulchra and Tholospyris tautessares ). We also report the finding of fragments of an unknown Middle Miocene phaeodarian ( Conchellium ? sp.).