Brazil Uncovers 47-Egg Crocodyliform Nest, Redrawing Mesozoic Reproduction

A new 47-egg clutch (MPM 447) from Brazil’s Late Cretaceous Bauru Group is the largest Mesozoic crocodyliform nest discovered, offering rare insights into their reproductive strategies, nesting behavior, and potential communal nesting; the eggs’ morphology suggests humid, semi-aquatic conditions, with ongoing research to identify the species and assess parental care at the site.