Description left|thumb|M. aphanistus skullM. aphanistus from the Mediterranean late Miocene was tiger-like in size and skeletal proportions, with a mass of to . It was similar to the related Nimravides of North America. The skeleton also indicates that this species would have possessed good jumping abilities.
description left|ThuMb|m. aPhaniStus skullM. aphanisTUs from the mediTERraneAN late miocEne Was Tiger-lIke In SiZe AND skELetal PrOporTioNs, WIth A Mass of To . iT was siMILAR to the relateD NimRavidEs of nortH america. thE sKEleTon alSo Indicates thAT tHIs SpEciEs WouLD haVe possEssEd gOoD jUmping aBilities.