Vibrioanguillarum is the correct name if this species is regarded as a separate species within a separate genus Vibrio.
Thompson et al. 2011 propose to use the name Vibrio anguillarum Bergeman 1909 (Approved Lists 1980) in place of Listonella anguillarum corrig. (Bergeman 1909) MacDonell and Colwell 1986. It should be noted that the original publication uses the spelling "Arvid M. BERGMAN (Veterinär, Schlachthofdirektor in Malmö, Schweden)" and not Bergeman as indicated in the Approved Lists.Publication:
Thompson FL, Thompson CC, Dias GM, Naka H, Dubay C, Crosa JH. The genus Listonella MacDonell and Colwell 1986 is a later heterotypic synonym of the genus Vibrio Pacini 1854 (Approved Lists 1980)--a taxonomic opinion. Int J Syst Evol Microbiol 2011; 61:3023-3027.
The full TRBA 466 classification is: risk group = 2, note = "t".