Assertion: extant marsupial | /r/HasProperty | sinodelphys
Facets:
value: from early cretaceous asia
type: TEMPORAL
value: by that criterion
type: OTHER
Source sentences:
text: What they can do, though, is examine and compare these mammals' teeth, and by that criterion, the earliest identified marsupial was Sinodelphys, from early Cretaceous Asia.