According to Nishikawa (1998) the authority for Echiurus should be Guérin-Méneville (1831), as the name is used ... [details]
See notes under Echiurus genus for the circumstances of this name, but, while the new genus is required, the ... [details]
The type species for Echiurus Guérin-Méneville 1831 must be the species name Guérin-Méneville used which was ... [details]