original description
(of Heterotrema sarasinorum Fielder, 1889) Fielder, K. (1889). Heterotrema sarasinorum, eine neue Synascidien Gattung aus der Familie der Distomidae. <em>Zoologischen Jahrbucher. Abtheilung fur Systematik, Okologie und Geographie der Tiere.</em> 4: 859-878. [details]
basis of record
Millar, R. H. (1962). Further descriptions of South African ascidians. <em>Ann. S. Afr. Mus.</em> 46(7): 113-221. (look up in IMIS) [details] Available for editors [request]
additional source
Millar, R. H. (1975). Ascidians from the Indo-West-Pacific region in the zoological museum, Copenhagen (Tunicata, Ascidiacea). <em>Steenstrupia.</em> 3(20): 205-336. (look up in IMIS) [details] Available for editors [request]
From editor or global species database
Genetic nomenclature abbreviation Apsara [details]