guentherii, Aspidophoroides Bean [T. H.] 1885:74 [Proceedings of the United States National Museum v. 8 (no. 487); ref. 14441] Alaska, U.S.A. Holotype: USNM 37032. Paratypes or additional material: USNM 37033 (4). Originally as güntherii. •Synonym of Ulcina olrikii (Lütken 1877) -- (Kanayama 1991:86 [ref. 19261], Sheiko 1993:86 [ref. 21227], Mecklenburg et al. 2002:552 [ref. 25968], Parin et al. 2002:S103 [ref. 28300], Sheiko & Mecklenburg 2004:8 [ref. 27591]). •Synonym of Aspidophoroides olrikii Lütken 1877 -- (Mecklenburg et al. 2016:107 [ref. 34440]). Current status: Synonym of Aspidophoroides olrikii Lütken 1877. Agonidae: Anoplagoninae. Habitat: marine.