necrophagous
adjective
ne·croph·a·gous nə-ˈkrä-fə-gəs 
ne-
: feeding on corpses or carrion
necrophagous insects
Example Sentences
Recent Examples on the Web While its bite could crush bones and its blade-like teeth tore through meat, Müller and company believe Dynamosuchus collisensis was a slow scavenger, or necrophagous, similar to the vultures and hyenas of today. 
National Geographic, 5 Feb. 2020
National Geographic, 5 Feb. 2020 Word History
Etymology
borrowed from New Latin necrophagus, borrowed from Greek nekrophágos, from nekro- necro- + -phagos -phagous
First Known Use
1835, in the meaning defined above