| original |
Cincinnatian |
|
Canada(Ontario) |
Eller,E.R. Scolecodonts from the Erindale, Upper Ordovician, at Streetsville Ontario |
1942 |
| details |
Nd |
|
Nd |
Kozur,H. A study on the classification of fossil Phyllodocida and Eunicida (polychaeta). |
1970 |
| details |
Cincinnatian |
|
Canada(Ontario) |
Jansonius,J. et al. Scolecodonts 1. Descriptive terminology and revision of systematic nomenclature; 2.Lectotypes, new names for homonyms, Index of species. |
1971 |
| details |
Middle Ordovician |
Devonian |
Worldwide |
Taugourdeau,P. Importance of evolution of the dispersed scolecodonts, (Annelids) in the stocking of seas during Paleozoic times. |
1983 |
| details |
Late Ordovician |
Early Silurian |
India(Himachal Pradesh) |
Khanna,A.K. Scolecodonts from Late Ordovician-Early Silurian sequence of Spiti Valley, Tethys Himalaya. (In: Proceedings, Symposium and Technical Sessions. R.S. Tiwari, editors) |
1984 |
| details |
Nd |
|
Nd |
Szaniawski,H. Scolecodonts. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |