Collastoma, Taxa Only, Exact Match: 2 Treatments

Collastoma esotericum		sp. nov.	Huston, Daniel C., 2019, Collastoma esotericum (Neodalyellida: Umagillidae), a new species of sipunculan-inhabiting rhabdocoel from Queensland, Australia, Zootaxa 4701 (6), pp. 563-573 : 568-569	568-569
Collastoma anderseni		sp. nov.	Roehl, William R. & Bailey-Brock, Julie H., 2017, Collastoma anderseni sp. nov. (Rhabdocoela: Umagillidae: Collastominae), an endosymbiont from the intestine of the sipunculan Themiste lageniformis, Journal of Natural History 51 (15 - 16), pp. 843-852 : 844-849	844-849