Salvatoria koorineclavata is a species belonging to the phylum Annelida, a group known as the segmented worms. This species has been described in Australia as Brania clavata before (Salvatoria clavata). Both of those species are similar, the Australian species, however, has a longer pharynx and proventricle; at the same time, blades of chaetae are present in the Australian species, with longer and upwards curved spines, which are straight in S. clavata; its pharyngeal tooth is located more anteriorly than in S. clavata. Other global species, like those in Brania genus, are also similar to S. koorineclavata. Salvatoria californiensis has similar chaetae, with shorter spines and less developed teeth. Its acicula lacks a defined acute tip, and the proventricle is quite shorter, running throug