A research team from the Institut Català de Paleontologia Miquel Crusafont (ICP-CERCA) has led the paleohistological study of ...
PLATE 1. Figures 1–4: Carcharhinus amblyrhynchoides (DGCUSB/BB-115,112), upper antero-lateral, Figures 5–6: Carcharhinus brevipinna (DGCUSB/BB-136), upper tooth, Figures 7–10: Carcharhinus perezi ...
Anacondas were already massive when they appeared more than 12 million years ago. Fossils now show that their size has barely changed since, even though prehistoric conditions might have allowed them ...