Ðóêîâîäÿùèå èñêîïàåìûå äåâîíñêèõ îòëîæåíèé: 1 — Monograptus uniformis; 2 — Calceola sandalina; 3 — Cyrtospifer disjunctis; 4 — Sieberella sieberi; 5 — Uncites gryphus; 6 — Stringocephalus burtini; 7 — Buchiola retrostriata; 8 — Tentaculites tenuicinctlis; 9 — Pachtoceras sulcatulum; 10 — Manticoceras intumescens; 11 — Oxyclymenia undulata; 12 — Proetus bohemicus; 13 — Pteraspis rostrata; 14 — Pterichtys milleri; 15 — Psilophyton princeps; 16 — Archaeopteris Roemeriana (ðèñ. 1 — óâåëè÷åí).


 

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