| details |
Early Tremadocian |
|
USSR(Siberia) |
Obut,A.M. et al. Siberian Graptolite and chitinozoa assemblages at the Cambrian-Ordovician boundary |
1984 |
| details |
Silurian |
|
Nd |
Matthes,H.W. Introduction to micropaleontology |
1956 |
| details |
Silurian |
|
S.Ireland(Westmeath) |
Morris,J.H. The stratigraphy of the Lower Paleozoic rocks in the western end of the Longford Down Inlier, Ireland. |
1983 |
| details |
Ordovician |
|
USSR(Uzbek SSR) |
Kuzichkina,Y.M. et al. On the question of lowering the limit of the advent of higher plants in connection with their co-discovery with Ordivician chitinozoans. (In: Paleontology and Detailed Stratigraphic Correlation.) |
1982 |
| details |
Silurian |
|
Brazil(Para) |
Boekel,N.M.Van Silurian microfossils from the Garape da Rainha, Pa Para |
1968 |
| details |
Late Ordovician |
|
India |
Prasad,K.N. Review of Precambrian microfossils from Peninsular India. (In: Stromatolites, Characteristics and Utility) |
1980 |
| details |
Vendian |
|
India(Himachal Pradesh) |
Kumar,G. et al. The Precambrian-Cambrian boundary problem and its prospects, northwest Himalaya, India. |
1984 |
| details |
Precambriam |
|
India |
Maithy,P.K. Indian Precambrian biota. (In: Proceedings, Symposium and Technical Sessions. R.S. Tiwari, editors) |
1984 |
| details |
Late Givetian |
|
Texas |
Chaiffetz,M.S. Devonian, North American; USA biostratigraphy, palaeoecology, descriptive Palaeontology: Systematics. |
1979 |
| details |
Silurian |
|
Africa(Sahara) |
Combaz,A. Strata with Tasmanaceae in the Paleozoic of the Sahara. |
1966 |
| details |
Gothlandian |
|
Libya |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |
| details |
Gothlandian |
|
Africa(Sahara) |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |
| original |
Pridolian |
|
Baltic Sea |
Eisenack,A. Chitinozoans, Hystrichospheres and other microfossils from the Beyrichia-Limestone. |
1955 |
| details |
Ordovician |
|
Canada(Manitoba) |
McGregor,D.C. et al. Fossils of the Ordovician Red River Formation (Cat Head Member)0 1. palynomorphs of the Ordo Vician Cat Head Member, Lae Winnipeg, Manitoba |
1971 |
| details |
Nd |
|
Nd |
Cashman,P.B. Lower Devonian chitinozoan Juveniles: Oldest fossil evidence of a Juvenile Stage in Protists, with an interpretation of their Ontogeny and relationship to all Ogromiid Foraminifera |
1991 |
| details |
Devonian |
|
North Dakota |
Morgan,D.H. Chitinozoa from the Williston Basin in North Dakota. |
1964 |
| details |
Nd |
|
Nd |
Tappan,H. Chitinozoan classification. |
1966 |