Lemurs generally have thin tooth enamel compared to anthropoid primates. Unlike anthropoid primates, lemur grooming seems to be more intimate and mutual, often directly reciprocated. However, their brain-to-body size ratio is smaller than that of anthropoid primates. Multi-male groups are the most common, just as they are in most anthropoid primates. He was, however, convinced that the hairs were not of a bear or anthropoid ape. Anthropoid coffins soon emerged, which were tailored to the contour of the deceased's body. The anthropoid coffins were placed side by side, head to toe. On 4 June 1942 Heydrich died after being wounded by an assassin in Operation Anthropoid. On 4 June 1942, Heydrich died after being wounded by Czechoslovak Commandos in Operation Anthropoid. They are an imitation, based on an anthropoid template. He played Heydrich for the third time in the 2016 British-Czech-French thriller "Anthropoid". Operation Anthropoid was the only successful government-organized assassination of a top-ranking Nazi. The Anthropoid pair landed near Nehvizdy east of Prague.