This is a common indexing bug that can be fixed by inactivating and reactivating the problem species.
https://forum.inaturalist.org/t/species-from-wrong-family-shows-up-in-explore-search/41816
https://forum.inaturalist.org/t/incorrect-taxa-appearing-in-results/27905
https://forum.inaturalist.org/t/weird-explore-results/31341