Trilobite Synapsid Eurypterid “Nautiloids are a large and diverse group of marine cephalopods (Mollusca) belonging to the... Nautiloid Permian-Triassic extinction event Acanthodii Ammonoidea Belemnoidea Subcategories This category has only the following subcategory. C [×] Cephalopod (4 P) Pages in category "Permian" The following 16 pages are in this category, out of 16 total. A Acanthodii AmmonoideaB Belemnoidea Bivalvia Bony fishC Conodont E EurypteridG GastropodaJ Jawless fishL LabyrinthodontiaN NautiloidP Permian-Triassic extinction event R RemipediaS Shark SynapsidT Trilobite Retrieved from "http://heroes-and-villains-fight-club.wikia.com/wiki/Category:Permian" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.