Assertion: horseshoe crab's leg | /r/ObjectUse | used for locomotion
Facets:
Source sentences:
text: The walking legs and the pedipalps are used for locomotion (Nybakken 1996).
text: The newly named, 425-million-year-old Dibasterium durgae looked roughly like a horseshoe crab from the top, though if you were to turn the arthropod over, you would have been greeted by a nest of double-branched legs used for both breathing and locomotion.