tachyglossidae การใช้

• The Late Cretaceous " Kryptobaatar " and the extant echidnas ( family Tachyglossidae ) all sport extratarsal spurs on their hind feet.
• Assuming that the " Kryptobaatar " and Tachyglossidae spurs are homologous, they were a feature of their tribosphenidan last common ancestor, so we can tentatively conclude that they were present among the Early Cretaceous Eobaataridae & mdash; its descendants & mdash; as well.