Robuta

https://revistas.sgc.gov.co/index.php/boletingeo/article/view/621?articlesBySimilarityPage=24 The Upper Cretaceous (Santonian-Maastrichtian) phosphate deposits in the west of the Neiva... upper cretaceous santonian maastrichtian phosphate deposits https://isem-evolution.fr/publication/first-record-of-the-somniosid-shark-protoxynotus-misburgensis-from-the-santonian-late-cretaceous-of-the-southern-tethyan-realm/ First record of the somniosid shark Protoxynotus misburgensis from the Santonian (Late Cretaceous)... of the late cretaceous first record somniosid