Author:
Paris,F.
Year:
1990
Title:
The Ordovician chitinozoan biozones of the northern Gondwana Domain
Reference:
Paris,F. (1990) The Ordovician chitinozoan biozones of the northern Gondwana Domain Review of Palaeobotany and Palynology Vol. 66 # 3 P. 181- 209
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Genus Species Country(Region) From To
Tanuchitina Tanuchitina agrestis Gondwanaland Ashgillian
Tanuchitina Tanuchitina bergstroemi Gondwanaland Hirnantian
Tanuchitina Tanuchitina domfrontensis Gondwanaland Early Llanvirnian
Tanuchitina Tanuchitina elongata Gondwanaland Hirnantian
Velatachitina Velatachitina veligera Gondwanaland Whitlandian Early Llanvirnian