original |
Early Ludlovian |
Middle Ludlovian |
USSR(Ukrainian SSR) |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
original |
Early Ludlovian |
Middle Ludlovian |
USSR(Ukrainian SSR) |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
original |
Early Ludlovian |
Middle Ludlovian |
USSR(Ukrainian SSR) |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
details |
Nd |
|
Nd |
Berezovskaya,R.V. On the photography of graptolites and chitinozoa, after preparing by chemical methods. (In: The News in the Paleontology of Siberia and Central Asia.) |
1973 |