the world > animals > mammals > group Unguiculata or clawed mammal > order Rodentia or rodent > superfamily Hystricomorpha (porcupine or guinea-pig) > [noun] > family Chinchillidae (chinchilla) > genus Lagostomus (viscacha)
viscacha1836
biscacha1837
viscache1849
1849–52 Todd's Cycl. Anat. & Physiol. IV. i. 373 In the viscache the squamous portion of the temporal bone is..deeply indented.