(ofHydrus gracilis Shaw, 1802)Shaw, G. (1802). General Zoology, or Systematic Natural History. Vol.3, part 2. <em>Kearsley, Thomas Davison, London.</em> 313-615.[details]
Uetz, P. (ed.) (2024). The Reptile Database. Microcephalophis gracilis (Shaw, 1802). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=344091 on 2024-11-17
original description(ofHydrus gracilis Shaw, 1802)Shaw, G. (1802). General Zoology, or Systematic Natural History. Vol.3, part 2. <em>Kearsley, Thomas Davison, London.</em> 313-615.[details]