English Costellirostra tennesseensis Cited by user Chaotic Enby on 21 Feb 2024 Costellirostra tennesseensis is an extinct brachiopod from the Early Devonian period.
English Heteractinida Cited by user Fanboyphilosopher on 27 Apr 2023 Heteractinida is an extinct grade of Paleozoic (Cambrian–Permian) sponges, sometimes used as a class or order.
English Cephalopod Cited by user Chiswick Chap on 10 Jun 2018 A cephalopod is any member of the molluscan class Cephalopoda (Greek plural, kephalópoda; "head-feet") such as a squid, octopus or nautilus.