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
Ancyrochitina Ancyrochitina morzadeci Givetian
Ancyrochitina Ancyrochitina morzadeci Late Eifelian Early Givetian
Ancyrochitina Ancyrochitina multibrachiata Early Givetian
Ancyrochitina Ancyrochitina ollivierae Brazil(Amazonas) Early Lochkovian Middle Lochkovian
Ancyrochitina Ancyrochitina pachycerata Late Lochkovian Pragian
Ancyrochitina Ancyrochitina parisi Pragian Early Emsian
Ancyrochitina Ancyrochitina postdesmea Givetian
Ancyrochitina Ancyrochitina regularis Brazil(Amazonas) Early Lochkovian
Ancyrochitina Ancyrochitina simplex Brazil(Paraiba) Late Eifelian Early Givetian
Ancyrochitina Ancyrochitina sp Brazil(Amazonas) Early Lochkovian
Ancyrochitina Ancyrochitina sp.A Grah.& Melo,in press Early Famennian
Ancyrochitina Ancyrochitina sp.A Grah.& Melo,in press Givetian
Ancyrochitina Ancyrochitina sp.A Grah.,2002 Early Givetian
Ancyrochitina Ancyrochitina sp.B Grah.& Melo,in press sp. nov. Givetian
Ancyrochitina Ancyrochitina sp.B Grah.,2002 sp. nov. Early Givetian
Ancyrochitina Ancyrochitina sp.C Gaug.& Grah.,in press sp. nov. Brazil(Amazonas) Late Frasnian
Ancyrochitina Ancyrochitina sp.C Grah.& Melo,in press sp. nov. Givetian