Assertion: river dolphin's time | /r/HasProperty | 16.2 ma
Facets:
value: respectively
type: MANNER
value: ago
type: TEMPORAL
Source sentences:
text: The estimated times of divergence with I. boliviensis, P. blainvillei and L. vexillifer are 2.9, 12.0 and 16.2 Ma ago, respectively.