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| Název : | Systematics and Evolution of Phacops rana (Green, 1832) and Phacops iowensis Delo, 1935 (trilobita) from the Middle Devonian of North America / Niles Eldredge
| | Hlavní autor : |  Eldredge, Niles
| | Rozsah : | S.47-113 : 28 Figs.
| | MDT : | 56
| | In : | Bulletin of the American Museum of Natural History. -- 1972, Vol.147, Art.2
| | Poznámka : | separát
| | bibl.
| | Citováno jako : | ELDREDGE, Niles Systematics and Evolution of Phacops rana...Bull. Amer. Mus. Nat. Hist. 1972, Vol.147, Art.2, S.47-113: 28 Figs.
| | Kl.slova : | Phacops rana - Phacops iowensis |
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