details |
Early Emsian |
|
Spain |
Diez,M.D.C.R. et al. Iberian chitinozoans. 2. Lower Devonian forms (La Vid Shales and equivalents). |
1978 |
details |
Early Devonian |
|
China(Kwangsi) |
Hou,J.-P. Early Devonian chitinozoans from the Nakaoling Formation of Liujing, Heng County, Kwangsi. |
1978 |
details |
Late Eifelian |
Givetian |
North America |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
details |
Middle Devonian |
|
Indiana |
Wright,R.P. Middle Devonian chitinozoa of Indiana. |
1980 |
details |
Late Gedinnian |
Early Siegenian |
China(Kwangsi) |
Hou,J.-P. et al. Chitinozoan biostratigraphy in China |
1982 |
details |
Late Givetian |
|
Iowa |
Wicander,R. et al. The use of microphytoplankton and chitinozoans from interpretin transgressive/regressive cycles in the Rapid Member of the Ceda Valley Formation (Middle Devonian), Iowa. |
1997 |