†order Trichasteropsida Blake 1987 (sea star)
Alternative spelling: Trichasteropsiida
Full reference: D. B. Blake. 1987. A classification and phylogeny of post-Palaeozoic sea stars (Asteroidea: Echinodermata). Jounral of Natural History 21:481-528
Parent taxon: Forcipulatacea according to D. B. Blake et al. 2017
See also Blake 1987, Blake 1989, Blake et al. 2006, Blake and Hagdorn 2003 and Sepkoski 2002
Sister taxon: Zorocallida
Subtaxa: Trichasteropsiidae
Ecology: slow-moving low-level epifaunal carnivore
Distribution: