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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
Ramochitina Ramochitina sp Early Givetian
Ancyrochitina Ancyrochitina parisi Pragian Early Emsian
Ramochitina Ramochitina sp.A Grah.,2002 Late Eifelian
Ramochitina Ramochitina sp.B Grah.& Melo,in press sp. nov. Early Givetian
Alpenachitina Alpenachitina eisenacki Late Eifelian Early Givetian
Ramochitina Ramochitina stiphrospinata Early Givetian
Ancyrochitina Ancyrochitina ancyrea Early Eifelian Early Givetian
Ancyrochitina Ancyrochitina langei Late Eifelian Early Givetian
Angochitina Angochitina rathbuni Early Frasnian
Ramochitina Ramochitina boliviensis Givetian
Ancyrochitina Ancyrochitina postdesmea Givetian
Ancyrochitina Ancyrochitina multibrachiata Early Givetian
Ramochitina Ramochitina sp.D Gaug.& Grah.,in press Early Givetian
Ramochitina Ramochitina herculesi Early Givetian
Ramochitina Ramochitina gilbertsoni Early Givetian
Ancyrochitina Ancyrochitina sp.C Grah.,2002 sp. nov. Early Givetian
Ancyrochitina Ancyrochitina sp.B Grah.,2002 sp. nov. Early Givetian