Class Arachnida Lamarck 1801 (arthropod)
PaleoDB taxon number: 19008
Parent taxon: Sclerophorata according to J. C. Lamsdell 2013
Sister taxon: Eurypterida
Subtaxa: Acari, Acaromorpha, Arthrolycosa prolifera, Caulogastra, Cretopilio, Haplocnemata, Palpigradi, Pantetrapulmonata, Parasitiformes, Phalangiotarbida, Pleurolycosa, Podurites, Podurites saltator, Poecilophysidea, Pseudoscorpionida, Ricinulei, Stomothecata
Ecology: