- Insects
- Mantophasmatodea (gladiators; a few living species)
- Meropeidae (3 living species, 4 extinct)
- Micromalthus debilis (a beetle)
- Mymarommatid wasps (10 living species in genus Palaeomymar)
- Nevrorthidae (3 species-poor genera)
- Nothomyrmecia (known as the dinosaur ant)
- Notiothauma reedi (a scorpionfly relative)
- Orussidae (parasitic wood wasps; about 70 living species in 16 genera)
- Peloridiidae (peloridiid bugs; fewer than 30 living species in 13 genera)
- Sikhotealinia zhiltzovae (a jurodid beetle)
- Syntexis libocedrii (Anaxyelidae cedar wood wasp)
- Crustaceans
- Glypheoidea (2 living species: Neoglyphea inopinata and Laurentaeglyphea neocaledonica)
- Stomatopods (mantis shrimp)
- Triops cancriformis (also known as tadpole shrimp; a notostracan crustacean)
- Molluscs
- Other invertebrates
- Crinoids
- Horseshoe crabs (only 4 living species of the class Xiphosura, family Limulidae: Limulus polyphemus,Tachypleus gigas, Tachypleus tridentatus and Carcinoscorpius rotundicauda)
- Lingula anatina (an inarticulate brachiopod)
- Liphistiidae (trapdoor spiders)
- Onychophorans (velvet worms)
- Valdiviathyris quenstedti (a craniforman brachiopod)
- Paleodictyon nodosum (unknown)
- Dendrogramma (not definitively assigned to any existing phylum, bears a strong resemblance to Ediacaran biotaorganisms)
