"Rhyncholite" Natural Recordings by Native Speakers
A rhyncholite is any rock that contains yellow calcite crystals on cleavage joints. The term is particularly used for rhodonite.
Rynchocephalia is a now-abandoned term in paleontology that refers to a group of jawed vertebrates, but now the preferred term is "parasphenoid- palate craniates."
A fossil group made up of extinct lizards, characterized by the presence of teeth pointed forward instead of being side-by-side like many modern lizards, and a relatively long, pointed snout (the Greek word "rhynch-" meaning 'beak' or 'snout', 'kēphalē' meaning 'head').