| details |
Late Llandoverian |
Early Gedinnian |
Spain |
Cramer,F.H. Chitinozoans of a composite section of Upper Lland overian to Basal Lower Gedinnian sediments in Nort Hern Leon, Spain. a Prelimnary report. |
1966 |
| details |
Nd |
|
Nd |
Tappan,H. Chitinozoan classification. |
1966 |
| details |
Early Ludlovian |
Late Emsian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1967 |
| details |
Middle Llanvirnian |
Middle Ashgillian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1967 |
| details |
Paleozoic |
|
Nd |
Deflandre,G. et al. Condensation of the activities of the Sub-Commission on chitinozoans of the C.I.M.P. |
1970 |
| original |
Nd |
|
Nd |
Paris,F. et al. A revised chitinozoan classification |
1999 |