Author:
Rubinstein,C.V.
Year:
1993
Title:
Acritarchs from the Upper Silurian of San Juan, Argentina: Biostratigraphy and palaeobiogeography. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors)
Reference:
Rubinstein,C.V. (1993) Acritarchs from the Upper Silurian of San Juan, Argentina: Biostratigraphy and palaeobiogeography. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) Special Papers in Palaeontology # 48 P. 67- 78
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Genus Species Country(Region) From To
Visbysphaera Visbysphaera connexa Argentina(San Juan) Late Ludlovian
Visbysphaera Visbysphaera sp Argentina(San Juan) Late Ludlovian