original description
Berrill, N. J. (1947). The ascidians Trididemnum alleni and Distaplia garstangi new species from Plymonth area. <em>J. Mar. Biol. Ass. U.K.</em> 26: 609-615. [details] Available for editors
additional source
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details]
From editor or global species database
Genetic nomenclature abbreviation Dsgars [details]