Assertion: horseshoe crab's mouth | /r/LocatedNear | leg
Facets:
Source sentences:
text: Class: Merostomata (mouth surrounded by legs)
text: The four modern-day species of horseshoe crabs are the only living members of the class Merostomata (animals with a mouth surrounded by legs) and are often referred to as living fossils as they have changed little over the course of the past four hundred and forty five million years.