Assertion: fin whale's tail | /r/HasAspect | much thrust
Facets:
value: through experimentation by lauder and pierce
type: OTHER
Source sentences:
text: Through experimentation by Lauder and Pierce, the tail of Spinosaurus was found to have eight times as much forward thrust as the tails of terrestrial theropods like Coelophysis and Allosaurus, as well as being twice as efficient at achieving forward thrust.