Cylindraspis
All of its species lived in the Mascarene Islands ( Mauritius , Rodrigues and Réunion ) in the Indian Ocean and all are now extinct due to hunting and introduction of non-native predators . 
<triplet> Rodrigues <subj> Mascarene Islands <obj> part of <triplet> Réunion <subj> Indian Ocean <obj> located in or next to body of water