Hesperocyoninae are basal canids that gave rise to the other two canid subfamilies, the Borophaginae and Caninae. [2] This subfamily was endemic to North America, living from the …

Hesperocyon is an extinct genus of canids (subfamily Hesperocyoninae, family Canidae) that was endemic to North America, ranging from southern Canada to Colorado. It appeared during the …

Hesperocyoninae, as presently defined, is likely a paraphyletic taxon. The subfamily may be characterized by possession of a trenchant talonid of lower first molars, in contrast to basined …

黃昏犬 （Hesperocyon）是已 滅絕 的 犬科 生物，也是4200萬年前 犬型亞目 及 貓型亞目 分支後最初 演化 的動物 。 黃昏犬的 化石 顯示 模式種 Hesperocyon gregarius 是屬於最少3700萬年 …

1994年1月1日 · A phylogenetic analysis of these species is performed using cladistic methods, with Hesperocyoninae, an archaic group of canids, as an outgroup.

Hesperocyoninae, ancestral dogs, were the first of the subfamilies to arise. This diverse subfamily begins with the fox-sized Hesperocyon (Greek hesper [western] and cyon [dog]), a carnivore …

2015年9月8日 · In overall form and proportions Hesperocyon wasn’t much like a dog as we know them today,‭ ‬but it has still been confirmed to be one of the first canids to appear on the …

Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392.

2004年1月1日 · entrolateral view of basicranial morphology of a primitive canid, Hesperocyon gregarius, showing bullar composition and position of the internal carotid artery (see text for …

Hesperocyoninae are basal canids that gave rise to the other two canid subfamilies, the Borophaginae and Caninae. This subfamily was endemic to North America, living from the …