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
Gorgonisphaeridium Gorgonisphaeridium parvispinosum USSR(Estonian SSR) Early Ordovician
Gorgonisphaeridium Gorgonisphaeridium winslowiae Canada(Alberta) Early Mississippian
Guttatisphaeridium Guttatisphaeridium Nd Nd
Heliosphaeridium Heliosphaeridium Nd Nd
Heliosphaeridium Heliosphaeridium coniferum England Early Cambrian
Heliosphaeridium Heliosphaeridium dissimilare Poland Early Cambrian
Heliosphaeridium Heliosphaeridium longum Poland Early Cambrian
Heliosphaeridium Heliosphaeridium lubomlense USSR(Ukrainian SSR) Early Cambrian
Heliosphaeridium Heliosphaeridium notatum Poland Early Cambrian
Heliosphaeridium Heliosphaeridium obscurum Poland Middle Cambrian
Heliosphaeridium Heliosphaeridium radzynicum USSR Early Cambrian
Kallosphaeridium Kallosphaeridium aspersum China(Hopei) Oligocene
Kallosphaeridium Kallosphaeridium brevibarbatum Belgium Early Eocene
Kallosphaeridium Kallosphaeridium reticulodum China Late Oligocene
Lecithodinium Lecithodinium Atlantic Coast Offshore Late Jurassic Cenomanian
Lecithodinium Lecithodinium accretum Atlantic Ocean Early Cretaceous
Lecithodinium Lecithodinium chondrosum Atlantic Ocean Cretaceous