Urasterella

There have been a number of species assigned or transferred to the genus since its description in 1851. • U. asperrimus • U. asperula (syn. Protasteracanthion primus) • U. biradialis (syn. Salteraster biradialis) • U. constellata • U. coronella (syn. Salteraster coronella) • U. creswelli • U. grandis • U. gutterfordensis • U. huxleyi • U. imbricatus (syn. Salteraster imbricatus) • U. montana • U. pulchella • U. ruthveni • U. selwyni (syn. Salteraster selwyni) • U. thraivensis • U. ulrichi == Sources ==