The first tetrapodomorph spec i men from the Pa leo zoic se quences of the Moravian Karst (Moravo-Silesian Ba sin, Bo he mian Mas sif, Czech Re pub lic) is de scribed. The well-pre served, cosmine-cov ered lat eral extrascapular bone co mes from the Upper De vo nian (Famennian) hemipelagic Køtiny Lime stone of the Líšeò For ma tion. The af fin ity to the "osteolepiforms" is inferred from the cosmine his tol ogy and mor pho log i cal fea tures of the bone. As sign ment to the Megalichthyiformes seems most prob a ble. The as so ci ated fauna, e.g., clymenids, orthocone nautiloids, thin shelled bi valves, trilobites and cri noids, clearly dem on strate a ma rine en vi ron ment.
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