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Author:
Grahn,Y.
Year:
2005
Title:
Devonian chitinozoan biozones of Western Gondwana.
Reference:
Grahn,Y. (2005) Devonian chitinozoan biozones of Western Gondwana. Acta Geologica Polonica Vol. 55 # 3 P. 211- 227
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Genus Species Country(Region) From To
Alpenachitina Alpenachitina eisenacki Late Eifelian Early Givetian
Alpenachitina Alpenachitina matogrossensis Early Givetian
Alpenachitina Alpenachitina petrovinensis Early Givetian
Ancyrochitina Ancyrochitina ancyrea Early Eifelian Early Givetian
Ancyrochitina Ancyrochitina arirambaense Late Eifelian Early Givetian
Ancyrochitina Ancyrochitina brevicornuta Givetian
Ancyrochitina Ancyrochitina brevis Brazil(Amazonas) Early Lochkovian
Ancyrochitina Ancyrochitina brevis Argentina(Salta) Late Lochkovian
Ancyrochitina Ancyrochitina cantabrica Brazil(Amazonas) Early Lochkovian Middle Lochkovian
Ancyrochitina Ancyrochitina cornigera Brazil(Paraiba) Late Eifelian Early Givetian
Ancyrochitina Ancyrochitina fragilis Brazil(Amazonas) Early Lochkovian
Ancyrochitina Ancyrochitina frankeli Early Givetian
Ancyrochitina Ancyrochitina langei Late Eifelian Early Givetian
Ancyrochitina Ancyrochitina langei Late Eifelian Late Givetian
Ancyrochitina Ancyrochitina latipes Brazil(Paraiba) Late Emsian Early Eifelian
Ancyrochitina Ancyrochitina latipes Brazil(Paraiba) Late Emsian Early Eifelian
Ancyrochitina Ancyrochitina maacki Brazil(Amazonas) Givetian