(of)Ludwig, H. L. (1875). Beiträge zur Kenntniss der Holothurien. <em>Arbeiten aus dem zoologisch-zootomischen Institut Würzburg.</em> 2: 77-118, pls. 6-7., available online athttps://www.biodiversitylibrary.org/page/34381181[details]
Glover, A.G.; Higgs, N.; Horton, T. (2025). World Register of Deep-Sea species (WoRDSS). Sigmodota contorta (Ludwig, 1875). Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=732698 on 2025-07-06
original description(of)Ludwig, H. L. (1875). Beiträge zur Kenntniss der Holothurien. <em>Arbeiten aus dem zoologisch-zootomischen Institut Würzburg.</em> 2: 77-118, pls. 6-7., available online athttps://www.biodiversitylibrary.org/page/34381181[details]
new combination referenceO'Loughlin, P.M.; VandenSpiegel, D. (2010). A revision of Antarctic and some Indo-Pacific apodid sea cucumbers (Echinodermata: Holothuroidea: Apodida). Memoirs of Museum Victoria 67: 61-95. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality