Author:
Melchin,M.J.;Holmden,C.;Williams,H.S.
Year:
2003
Title:
Correlation of graptolite biozones, chitinozoan biozones, and carbon isotope curves through the Hirnantian. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors)
Reference:
Melchin,M.J et al. (2003) Correlation of graptolite biozones, chitinozoan biozones, and carbon isotope curves through the Hirnantian. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) Serie Correlaciгn Geolгgica. Instituto Superior de Correlaciгn Geolгgica (INSUGEO). Ordovician from the Andes. Proceedings of the International Symposium on the Ordovician System. San Juan - Argentina 2003 # 17 P.
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Genus Species Country(Region) From To
Ancyrochitina Ancyrochitina ellisbayensis Canada(Anticosti Island) Late Hirnantian
Belonechitina Belonechitina gamachiana Canada(Anticosti Island) Early Hirnantian
Spinachitina Spinachitina taugourdeaui Canada(Anticosti Island) Late Hirnantian