The oldest stratigraphic record of the Late Cretaceous shark Ptychodus mortoni Agassiz, from Vallecillo, Nuevo León, northeastern Mexico
The comments by Stinnesbeck et al. (2007) to our manuscript (Blanco-Piñón et al., 2007) refer to four main points: • Stinnebeck et al. (2007) question the validity of the FCT acronym that we used for our description of the specimen of Ptychodus mortoni Agassiz, 1843. The acronym used for this speci...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Universidad Nacional Autónoma de México
2018-01-01
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| Series: | Revista Mexicana de Ciencias Geológicas |
| Online Access: | https://rmcg.unam.mx/index.php/rmcg/article/view/666 |
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