Assertion: eurypterid | /r/HasProperty | extinct
Facets:
Source sentences:
text: Eurypterids are extinct, distant relatives of the horseshoe crab.
text: Eurypterids are an extinct family of arthropods believed to be the ancestors of today's scorpions, and possibly all arachnids -- the class that includes spiders and other eight-legged arthropods.
text: Eurypterids are extinct, distant relatives of the horseshoe crab.
text: For they have actually been extinct more than 200 million years.
text: Eurypterids are extinct, distant relatives of the horseshoe crab.
text: Since all eurypterids are extinct, I would maybe say "Megarachne is a genus of eurypterid, an extinct group of aquatic arthropods", so the unfamiliar reader will easier understand what we're talking about.
text: Eurypterids are an extinct family of arthropods believed to be the ancestors of today"s scorpions, and possibly all arachnids -- the class that includes spiders and other eight-legged arthropods.