miacoids造句

• Miacoids were mostly small carnivores superficially reminiscent of martens or civets.
• The miacids are a paraphyletic group containing all miacoids that are not viverravids.
• Their teeth and skull show that the miacoids were less developed than modern carnivores.
• Miacoids are regarded as basal carnivoramorphs.
• Miacoids were primitive carnivores that lived during the Paleocene and Eocene Epochs, about 33-66 million years ago.
• All modern carnivorans, including cats, evolved from miacoids, which existed from approximately 66 to 33 million years ago.
• Today, Carnivora is restricted to the crown group, Carnivora and miacoids are grouped in the clade Carnivoramorpha, and the miacoids are regarded as basal carnivoramorphs.
• Today, Carnivora is restricted to the crown group, Carnivora and miacoids are grouped in the clade Carnivoramorpha, and the miacoids are regarded as basal carnivoramorphs.
• The miacoids are divided into two groups : the miacids, with a full complement of molars, and the viverravines with a reduced number of molars and more specialized carnassials.