Trilobite
Everything about trilobites: their 270 million year Paleozoic run, three-lobed bodies, mineralised calcite eyes, 22,000 described species, defensive enrolment, and their disappearance in the end-Permian mass extinction.
May 2025
January 2025
Brachiopod
Everything about brachiopods: lophophore feeding, chitin-phosphate shells, the 540-million-year fossil record, the end-Permian mass extinction that wiped out 95%, and Lingula -- the living fossil genus that has survived half a billion years largely unchanged.