Bergstrжm,S.M.

Author:
Bergstrжm,S.M.;Boucot,A.J.

Year:
1988

Title:
The Ordovician-Silurian boundary in the United States. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors)

Reference:

Bergstrжm,S.M. et al. (1988) The Ordovician-Silurian boundary in the United States. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) British Museum (Natural History) Geology, Bulletin Vol. 43 P. 273- 284

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Genus	Species	Country(Region)	From	To
Ancyrochitina	Ancyrochitina ancyrea	Ohio	Late Rhuddanian	Aeronian
Ancyrochitina	Ancyrochitina merga	Ohio	Late Richmondian	Early Aeronian
Ancyrochitina	Ancyrochitina primitiva	Ohio	Late Rhuddanian	Aeronian
Ancyrochitina	Ancyrochitina sp	Ohio	Late Rhuddanian	Aeronian
Conochitina	Conochitina electa	Ohio	Late Rhuddanian	Aeronian
Conochitina	Conochitina iklaensis	Ohio	Late Richmondian	Early Aeronian
Conochitina	Conochitina sp	Ohio	Late Richmondian	Early Aeronian