Originated

Paleontologists have identified a new species of tuatara-like sphenodontian reptile from dozens of fossilized specimens found in Arizona, the United States. Holotype of Navajosphenodon sani. Image credit: Simões et al., doi: 10.1038/s42003-022-03144-y. Sphenodontians are one of the longest living lineages of reptiles, with a fossil record of at least 230 million years and with recent…