Assertion: arthropod's body | /r/HasAspect | a pair of broad fin-like flaps
Facets:
value: along each side
type: LOCATION
value: except had a pair of fans
type: OTHER
Source sentences:
text: Anomalocaris was a mainly soft-bodied swimming predator which was gigantic for its time (up to 70 cm = 2​1⁄ 4 feet long; some later species were 3 times as long); the soft, segmented body had a pair of broad fin-like flaps along each side, except that the last 3 segments had a pair of fans arranged in a V shape.