Herdman, W. A. (1886). Report on the tunicata collected during the voyage of H.M.S. "Challenger" during the years 1873-1876. Part. II. Ascidiae compositae. <em>Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873�76. Zoology.</em> 14 (part 38): 1-432, pl. 1-49., available online athttp://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-38/README.htm[details]
Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2024). Ascidiacea World Database. Morchellium giardi Herdman, 1886. Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: https://www.marinespecies.org/Urmo/aphia.php?p=taxdetails&id=253409 on 2024-04-19
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Morchellium giardi Herdman, 1886. Accessed at: https://marinespecies.org/urmo/aphia.php?p=taxdetails&id=253409 on 2024-04-19
original descriptionHerdman, W. A. (1886). Report on the tunicata collected during the voyage of H.M.S. "Challenger" during the years 1873-1876. Part. II. Ascidiae compositae. <em>Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873�76. Zoology.</em> 14 (part 38): 1-432, pl. 1-49., available online athttp://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-38/README.htm[details]
Present Inaccurate Introduced: alien Containing type locality