McGregor,D.C.

Author:
McGregor,D.C.

Year:
1981

Title:
Spores and the Middle-Upper Devonian boundary.

Reference:

McGregor,D.C. (1981) Spores and the Middle-Upper Devonian boundary. Review of Palaeobotany and Palynology Vol. 34 P. 25- 47

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Genus	Species	Country(Region)	From	To
Chelinospora	Chelinospora concinna	Canada	Givetian	Frasnian
Grandispora	Grandispora inculta	Canada	Givetian	Frasnian
Ancyrospora	Ancyrospora langii	Canada	Givetian	Frasnian
Cymbosporites	Cymbosporites cyathus	Canada	Givetian	Frasnian
Retusotriletes	Retusotriletes rugulatus	Canada	Givetian	Frasnian
Grandispora	Grandispora velata	Canada	Givetian	Frasnian
Rhabdosporites	Rhabdosporites langii	Canada	Givetian	Frasnian
Geminospora	Geminospora lemurata	Canada	Givetian	Frasnian
Samarisporites	Samarisporites inaequus	Canada	Givetian	Frasnian
Archaeozonotriletes	Archaeozonotriletes variabilis	Canada	Givetian	Frasnian
Samarisporites	Samarisporites triangulatus	Canada	Givetian	Frasnian
Densosporites	Densosporites devonicus	Canada	Givetian	Frasnian
Contagisporites	Contagisporites optivus	Canada	Givetian	Frasnian
Perotrilites	Perotrilites eximius	Canada(Arctic)	Givetian	Frasnian
Grandispora	Grandispora longus	Canada(Arctic)	Givetian	Frasnian
Verruciretusispora	Verruciretusispora dubia	Canada(Arctic)	Givetian	Frasnian
Samarisporites	Samarisporites concinnus	Canada(Arctic)	Givetian	Frasnian