A group of early terrestrial vertebrates called varanopids, long regarded as mammal-line amniotes, is placed wholesale with reptiles in a new analysis of early amniote relationships. Meanwhile, a new species of varanopid from Canada provides the oldest evidence for extended parental care in terrestrial vertebrates.
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Modesto, S.P. Rooting about reptile relationships. Nat Ecol Evol 4, 10–11 (2020). https://doi.org/10.1038/s41559-019-1074-0
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DOI: https://doi.org/10.1038/s41559-019-1074-0