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| Title : | Biostratigraphy and biotopes of the Lower Middle Devonian Leptathyris circula Zone, central Nevada / J.G.Johnson et al.
| | Main author : |  Johnson, John Granville
| | Subsequent responsibility : | Hildreth, G.D.
Kendall, G.W.
Trojan, William R.
| | Nakl.údaje : | Tulsa : Society of Economic Paleontologists and Mineralogists, 1981
| | Extent : | S.814-825, : obr.
| | UDC : | 56
| | In : | Journal of Paleontology, 1981, vol.55, no.4.
| | Note : | bibl.
| | Subject Headings : | Brachiopoda - Lower Middle Devonian - Leptathyris circula Zone - central Nevada |
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