Author:
Sarjeant,W.A.S.;Stancliffe,R.P.W.
Year:
1994
Title:
The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration.
Reference:
Sarjeant,W.A.S. et al. (1994) The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. Micropaleontology Vol. 40 # 1 P. 1- 77
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Genus Species Country(Region) From To
Comasphaeridium Comasphaeridium filamentosum Paleocene
Solisphaeridium Solisphaeridium filamentosum Paleocene
Neoveryhachium Neoveryhachium neocarminae Alabama Early Gothlandian
Vulcanisphaera Vulcanisphaera africana Algeria Tremadocian
Evittia Evittia remota Algeria Wenlockian Late Gothlandian
Evittia Evittia remota Algeria Devonian
Veryhachium Veryhachium longispinosum Algeria Late Ordovician
Veryhachium Veryhachium subglobosum Algeria Late Ordovician
Veryhachium Veryhachium tenuimacerium Algeria Late Ordovician
Micrhystridium Micrhystridium gracile Argentina Late Gothlandian
Chalaziosphaeridium Chalaziosphaeridium tenuum Argentina Wenlockian
Pulvinosphaeridium Pulvinosphaeridium tenua Argentina Wenlockian
Oligosphaeridium Oligosphaeridium tubulatum Argentina Oligocene
Estiastra Estiastra tenua Argentina Wenlockian
Micrhystridium Micrhystridium argentinum Argentina Late Gothlandian
Micrhystridium Micrhystridium tubulatum Argentina Oligocene
Polygonium Polygonium gracile Argentina Late Gothlandian