Upper miocene echinoids from the Yorktown Formation of Virginia and their environmental significance /
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| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Washington :
Smithsonian Institution Press,
1972.
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| Materias: |
| Notas: | En: Smithsonian contributions to paleobiology. No. 1- . Washington : Smithsonian Institutions Press, 1969- , no. 13 (1972). |
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| Descripción Física: | 41 páginas : ilustraciones ; 26 cm |