chapmani, Kraemericus Schultz [L. P.] in Schultz et al. 1966:8, Fig. 134 [Bulletin of the United States National Museum No. 202, v. 3; ref. 5366] Espirutu Santos harbor, Vanuatu. Holotype (unique): USNM 114687 [not 114697]. •Valid as Xenisthmus chapmani (Schultz 1966) -- (Gill 2001:3606 [ref. 26295], Gill & Hoese 2004:242 [ref. 27774], Parenti 2021:58 [ref. 38603]). Current status: Valid as Xenisthmus chapmani (Schultz 1966). Xenisthmidae. Distribution: Western Pacific: Vanuatu. Habitat: marine.