Taphonomic and ecological insights from conspecific bite marks on Otodus megalodon teeth by Stephen J. Godfrey, Mark Bennett, Victor J. Perez

“…A relatively small number of teeth of the Neogene megatooth shark Otodus megalodon (Otodontidae) preserve surface markings that were made when struck by the serrated cutting edge of another O. megalodon tooth. …”
Get full text

Underwater paleontology inside cenotes reveals the Miocene-Pliocene fish diversity in the Yucatan Peninsula, southeast Mexico. by Kleyton M Cantalice, Hugo E Salgado-Garrido, Erick Sosa-Rodríguez, Kay Vilchis-Zapata, Gerardo González-Barba, Underwater Archaeological Atlas project

“…Our results indicate the presence of at least 11 different taxa, which include: 1) species that live today on Mexican coasts, such as Carcharhinus brachyurus, C. leucas, C. perezii, Carcharodon carcharias, and unidentified Rhinoptera species; 2) extinct taxa, such as †Galeocerdo mayumbensis, †Hemipristis serra, and †Otodus (Carcharocles) megalodon; 3) taxa that are not currently distributed in Mexican coasts, such as Carcharhinus macloti and representatives of the genus Aetomylaeus. …”
Get full text