The genus Buryella is very important in the southern high-latitude radiolarian biostratigraphy of the Early to early Late Paleocene, with South Pacific radiolarian Zones RP3-5 being defined using members of the genus. The buryellid taxa of DSDP Site 208 and ODP Site 1121 are documented and discussed, and a biostratigraphic problem associated with South Pacific radiolarian Zone RP5 is addressed and rectified. Additionally three new species of Buryella are described (B. helenae, B. petrushevskayae, and B. tridica), and the family Artostrobiidae, genus Buryella, and species B. foremanae are emended. A new taxon tentatively assigned to Spongopyle is also erected (S. ? sanfilippoae).

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