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Title : | Two silicified Carboniferous trilobites from West Texas / By Harry B. Whittington
| Main author : | Whittington, H.B.
| Extent : | S.1-16 : 1 Figr., 3 Pls.
| UDC : | 56
| In : | Smithsonian Miscellaneous Collections. -- 1954, Vol.122, No.10
| Note : | separát
| | bibl.
| Citováno jako : | WHITTINGTON, H.B. Two silicified Carboniferous... Smith. misc. Coll. 1954, Vol.122, No.10, S.1-16: 1 Figr., 3 Pls.
| Kl.slova : | Proetidae - Paladin |
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