- Author:
- Richardson,J.B.;Edwards,D.
- Year:
- 1989
- Title:
- Sporomorphs and plant megafossils. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors)
- Reference:
- Richardson,J.B. et al. (1989) Sporomorphs and plant megafossils. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) National Museum of Wales, Geological Series # 9 P. 216- 226
- Google Academy:
- try to search by title in english
Genus | Species | Country(Region) | From | To |
---|---|---|---|---|
Strophomorpha | Strophomorpha ovata | Nd | Ashgillian | Rhuddanian |
Synorisporites | Synorisporites sp | Nd | Early Pridolian | |
Tetrahedraletes | Tetrahedraletes medinensis | Nd | Ashgillian | Rhuddanian |
Tetrahedraletes | Tetrahedraletes medinensis | Wales(Carmarthenshire) | Early Llandoverian | |
Vermiculatisphaera | Vermiculatisphaera obscura | New York | Ashgillian | Rhuddanian |