Premise: Haplocyonoides is an extinct genus of terrestrial carnivores belonging to the suborder Caniformia, family Amphicyonidae ("bear dog"), and which inhabited Europe from the Early Miocene subepoch (20 Mya)—(16.9 Mya). "Haplocyonoides" existed for approximately .
Hypothesis: Existence of the Haplocyonoides was only discovered in the 1930s.