Assertion: horseshoe crab | /r/HasAspect | hard outer shell
Facets:
Source sentences:
text: The horseshoe crab has a hard outer shell, five pairs of legs and a long, thin tail which the horseshoe crab uses for changing direction whilst swimming rather than as a defensive weapon.
text: Anatomy: The Horseshoe Crab has a hard outer shell (an exoskeleton), 5 pairs of jointed legs and a pair of pincers.
text: Horseshoe crab has hard outer shell, called carapace, shaped like a horseshoe.