EntityQ1462809· pop 26· linked from 1,711 articlescrown groupSign in to savemonophyletic closure of a set of living speciesConnectionsCrocodiliaEntitybirdEntitydinosaurEntityextinctionEntityTetrapodaEntitypterosaurEntityarchosaurEntityevolutionary biologyEntitycladisticsEntitySynapsidaEntityparaphylyEntityAvemetatarsaliaEntitysister groupEntitymost recent common ancestorEntitysymplesiomorphyEntityAnimaliaEntityCharles DarwinEntityGreekEntitymammalEntityevolutionEntityCategoriesEvolutionary biologyPhylogenetics