Martin,F.

Author:
Martin,F.

Year:
1988

Title:
Late Ordovician and Early Silurian acritarchs. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors)

Reference:

Martin,F. (1988) Late Ordovician and Early Silurian acritarchs. (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. 299- 309

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Genus	Species	Country(Region)	From	To
Orthosphaeridium	Orthosphaeridium insculptum	Portugal	Ashgillian
Orthosphaeridium	Orthosphaeridium insculptum	Africa	Caradocian
Orthosphaeridium	Orthosphaeridium rectangulare	USA(Mid-Continent)	Ashgillian
Orthosphaeridium	Orthosphaeridium rectangulare	USA(Appalachian Bn.)	Caradocian	Ashgillian
Orthosphaeridium	Orthosphaeridium rectangulare	Portugal	Caradocian	Ashgillian
Pheoclosterium	Pheoclosterium sp	Canada(Quebec)	Late Cincinnatian
Rhopaliophora	Rhopaliophora sp	Canada(Quebec)	Late Cincinnatian
Tylotopalla	Tylotopalla sp	Canada(Quebec)	Rhuddanian	Telychian
Tylotopalla	Tylotopalla sp	USA(Appalachian Bn.)	Ashgillian	Wenlockian
Tylotopalla	Tylotopalla sp	England	Rhuddanian	Wenlockian
Tylotopalla	Tylotopalla sp	Wales	Rhuddanian	Wenlockian
Tylotopalla	Tylotopalla sp	Belgium	Caradocian	Rhuddanian