Assertion: jellyfish's skeleton | /r/LocatedNear | their mouth
Facets:
Source sentences:
text: Other fossils that could support the idea of ctenophores having evolved from sessile forms are Dinomischus and Daihua sanqiong, which also lived on the seafloor, had organic skeletons and cilia-covered tentacles surrounding their mouth, although not all yet agree that these were actually comb jellies.