Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
Similiar / Same: archosaur, archosaurian reptile
Categories: diapsid, diapsid reptile
Within this category: dinosaur, ichthyosaur, nothosaur, plesiosaur, pterosaur, thecodont
