Synoplotherium (Synoplotherium vorax Cope, 1872)
Size: 1.5 m in length, 60 cm in height, 50 kg of weight
Time period: the Early Eocene (North America).
Typical representative: Synoplotherium vorax Cope, 1872
Synoplotherium (also known as "Dromocyon") is an extinct genus of relatively small, wolf-like mesonychids that lived 50 million years ago, in what is now Wyoming. Synoplotherium was related to, coexisted, and possibly competed with the larger Mesonyx.