lampshell

Living fossils may occur regularly in the fossil record, such as the lampshell Lingula.

Rhynchonelloidella smithi is a species of extinct, small-sized brachiopod, a marine rhynchonellate lampshell in the family Rhynchonellidae.

During the Middle Jurassic, the fossil locations cited were seas, where this lampshell lived as a stationary epifaunal suspension feeder.

Sharpirhynchia sharpi (synonym Kallirhynchia sharpi) is a species of extinct, small-sized lampshell, named after Samuel Sharp (1814-1882), an early fossil collector, who discovered the limited time span of some fossils, now known as index fossils .