| original |
Early Silurian |
|
Ohio |
Grinnell,G.B. Notice of a new genus of Annelids from the Lower Silurian. |
1877 |
| details |
Middle Devonian |
|
Canada(Ontario) |
Hinde,G.J. On Annelid jaws from the Cambro-Silurian, Silurian and Devonian Formations in Canada and from the Lower Carboniferous in Scotland |
1879 |
| details |
Clintonian |
|
New York |
Johnson,H. Middle Silurian scolecodonts from Rochester, New York. |
1937 |
| details |
Kinderhookian |
|
Ohio |
Bowen,A.S. Mississippian Scolecodonts near Chardon, Ohio |
1951 |
| details |
Ordovician |
Eocene |
Nd |
Matthes,H.W. Introduction to micropaleontology |
1956 |
| details |
Wolfcampian |
|
Kansas |
Tasch,P. et al. Scolecodonts from the Fort Riley Limestone, (Wolfcampian), of Kansas. |
1960 |
| details |
Early Silurian |
|
Ohio |
Eller,E.R. Article 21; Scolecodonts of the Delaware Limestone Devonian of Ohio and Ontario |
1964 |
| details |
Early Silurian |
|
Ohio |
Kozur,H. A study on the classification of fossil Phyllodocida and Eunicida (polychaeta). |
1970 |
| details |
Ordovician |
|
India |
Viswanathiah,M.N. et al. Scolecodonts and chitinozoa from the Indian Peninsula. |
1980 |
| 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 |
Nd |
|
Nd |
Bergman,C.F. Silurian Paulinitid Polychaetes from Gotland |
1989 |
| details |
Early Silurian |
|
Ohio |
Courtinat,B. Post-Paleozoic mobile polychaetia:Imprint, jaws and scolecodonts. |
1990 |
| details |
Nd |
|
Nd |
Bergman,C.F. Revision of some Silurian Paulinitid Scolecodonts from Western New York |
1991 |