Tag Archive for 'Nautilidae'

Reconstruction of a Paleocadmus decaying in the Mazon Creek marine basin; the separated shell is visible in the background; other Mazon Creek fauna are visible, such as the polychaete Esconites zelus (foreground) and Bandringa rayi, an elasmobranch shark (back left). Image credit: Franz Anthony.

‘Oldest Fossil Octopus’ Wasn’t One After All

Apr 8, 2026 by Enrico de Lazaro

Pohlsepia mazonensis, a cephalopod species first described in 2000 from a 300-million-year-old specimen and featured in the Guinness Book of Records as...

Nautilus samoaensis. Image credit: Barord et al., doi: 10.3897/zookeys.1143.84427.

Marine Biologists Identify Three New Nautilus Species

Feb 3, 2023 by Natali Anderson

The three new species of nautiluses belong to the genus Nautilus and represent populations on the easternmost edge of the overall habitat range of the...