original description
Agassiz, L.; Desor, P. J. (1847). Catalogue raisonné des espèces, des genres, et des familles d'échinides. <em>Annales des Sciences Naturelles, Troisième Série, Zoologie.</em> 8: 5-35 & 355-380., available online at https://archive.org/stream/annalesdesscienc47pari#page/n7/mode/2up
page(s): 9; pl. 16: fig. 13 [details] 
original description
(of Eupatagus similis Gray, 1851) Gray J.E. 1851. Descriptions of some new genera and species of Spatangidae in the British Museum. The Annals and Magazine of Natural History, 2nd Series 7, 130-134., available online at https://www.biodiversitylibrary.org/page/13787716
page(s): 130 [details]
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Eupatagus valenciennesi (labrum)
Eupatagus valenciennesi (aboral)
Eupatagus valenciennesi (oral)
Eupatagus valenciennesi (lateral)
Eupatagus valenciennesi (apical system)
Eupatagus valenciennesi (oral)
Eupatagus valenciennesi (aboral)