/diˈtritəˌvôr/
Noun, pl. detrivores
1. Are heterotrophs that obtain nutrients by consuming detritus (decomposing plant and animal parts as well as organic fecal matter). (wikipedia.org)
2. An organism that feeds on detritus; a saprophage. (wiktionary.org)
Syn: Detritophages or detritus feeders or detritus eaters or saprophages.