Author:
Achab,A.
Year:
1988
Title:
Provincialism of Ordovician chitinozoans.
Foreign title:
Mise en evidence d'un Provincialisme Chex les Chitinozoaires Ordoviciens
Reference:
Achab,A. (1988) Provincialism of Ordovician chitinozoans. [ Mise en evidence d'un Provincialisme Chex les Chitinozoaires Ordoviciens ] Canadian Journal of Earth Sciences Vol. 25 P. 635- 638
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Genus Species Country(Region) From To
Siphonochitina Siphonochitina formosa England Early Ordovician
Siphonochitina Siphonochitina formosa Florida Early Ordovician
Velatachitina Velatachitina Nd Early Ordovician