These bits of undigested plant matter , or phytoliths , come from a site containing bones of titanosaurs , long - necked plant eaters that lived near the end of the dinosaurs ' reign 这些未消化的小块植物体（植物化石） ，是在泰坦巨龙化石附近出土的，泰坦巨龙是一种长颈草食恐龙，生活在恐龙王朝末期。
2.
The team collected 65 - million - year - old droppings from the volcanic deccan traps of central india in order to study the diet of titanosaurs , the group of super - size dinosaurs that includes diplodocus 他们这支队伍从印度中部火山喷发形成的德干岩群中收集了长达6500万年的粪便，用以研究雷龙? ?与梁龙同属超级大恐龙? ?的饮食结构。
