Echinoids from the Triassic (St. Cassian) of Italy, their lantern supports, and a revised phylogeny of Triassic ecchinoids /
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| Formato: | Libro |
| Lenguaje: | Spanish |
| Publicado: |
Washington, D. C. :
Smithsonian Institution Press ,
1984.
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| Colección: | Smithsonian Contributions to paleobiology ;
no.56 |
| Materias: |
| Descripción Física: | 41 páginas : ilustraciones a color. |
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