Los generos Vaugonia Crikmay, 1930 y Myophorella Bayle, 1875 de la Formacion Huayacocotla (Liasico) en el NE. del Edo. de Hidalgo
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| Format: | Tesis de licenciatura |
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MX
1990
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000117672 http://132.248.9.195/pmig2017/0117672/Index.html |