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
Grandispora Grandispora inculta Spitsbergen Givetian Frasnian
Grandispora Grandispora longus Canada(Arctic) Givetian Frasnian
Grandispora Grandispora velata USSR Givetian Frasnian
Grandispora Grandispora velata France Givetian Frasnian
Grandispora Grandispora velata Canada Givetian Frasnian
Grandispora Grandispora velata England Givetian Frasnian
Grandispora Grandispora velata Spitsbergen Givetian Frasnian
Hymenozonotriletes Hymenozonotriletes argutus USSR(European) Late Givetian Early Frasnian
Hymenozonotriletes Hymenozonotriletes bislimbatus Canada(Arctic) Givetian Frasnian
Hymenozonotriletes Hymenozonotriletes celeber USSR(European) Givetian Frasnian
Hymenozonotriletes Hymenozonotriletes celeber Canada(Arctic) Givetian Frasnian
Hymenozonotriletes Hymenozonotriletes deliquescens USSR(European) Givetian Frasnian
Hymenozonotriletes Hymenozonotriletes deliquescens Canada(Arctic) Givetian Frasnian
Hymenozonotriletes Hymenozonotriletes duplex USSR(European) Late Givetian Early Frasnian
Hymenozonotriletes Hymenozonotriletes echiniformis USSR(European) Late Givetian Early Frasnian
Hymenozonotriletes Hymenozonotriletes incisus USSR(European) Late Givetian Early Frasnian
Hymenozonotriletes Hymenozonotriletes krestovnikovi USSR(European) Late Givetian Early Frasnian