Fensome,R.A.

Author:
Fensome,R.A.;Williams,G.L.;Barss,M.S.;Freeman,J.M.;Hill,J.M.

Year:
1990

Title:
Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa.

Reference:

Fensome,R.A. et al. (1990) Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. American Association of Stratigraphic Palynologists, Contributions Series # 25 P. 1- 771

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Genus	Species	Country(Region)	From	To
Rugasphaera	Rugasphaera terranovana	Canada(Newfoundland)	Middle Cambrian
Rugidinium	Rugidinium	Nd	Nd
Rugidinium	Rugidinium ornatum	Nd	Bajocian
Rugidinium	Rugidinium undulatum	Nd	Bajocian
Rugosphaera	Rugosphaera	Nd	Nd
Rugosphaera	Rugosphaera asperata	Nd	Nd
Rugosphaera	Rugosphaera cerebra	Nd	Early Rhuddanian
Rugosphaera	Rugosphaera tuscarorensis	Nd	Llandoverian
Rugulasphaeridium	Rugulasphaeridium	Nd	Nd
Rugulasphaeridium	Rugulasphaeridium venustum	Nd	Famennian
Rugulidium	Rugulidium	Nd	Nd
Rugulidium	Rugulidium microrugulatum	Nd	Nd
Rugulidium	Rugulidium quietum	Nd	Middle Wenlockian	Early Ludlovian
Rugulidium	Rugulidium rarirrugulatum	Nd	Late Arenigian	Early Llanvirnian
Rugulidium	Rugulidium rugulatum	Nd	Late Arenigian	Early Llanvirnian
Rugulidium	Rugulidium scabratum	Nd	Ludlovian	Early Gedinnian
Rugulidium	Rugulidium triangulatum	Nd	Late Arenigian	Early Llanvirnian