Ilyophis arx Robins, 1976

Tighe, Kenneth A., Smith, David G., Merrett, Nigel R., Frable, Benjamin W. & Zajonz, Uwe, 2024, Redescription of the eel Ilyophis arx Robins, 1976 (Anguilliformes: Synaphobranchidae: Ilyophinae) with a description of a new species of Ilyophis, and a taxonomic synopsis of the Ilyophinae, Zootaxa 5506 (1), pp. 35-57 : 52

Ilyophis arx Robins, 1976

Ilyophis arx C.H. Robins in Robins & Robins 1976: 245, Figs. 4 , 6 , 7b , 8 . Holotype: ANSP 133808 . Type locality: Southeastern Pacific , Galapagos Islands, 01° 48’ S, 90° 19’ W, 3522 m.

Figures

FIGURE 4. Ilyophis maclainei sp. nov. Holotype, BMNH 1995.4.19.31 (male, 242 mm TL)

FIGURE 6. Ilyophis maclainei sp. nov. Holotype, BMNH 1995.4.19.31(DISCOVERY Collection, Station 50710), 240 mm TL (A) Snout ornamentation. (B) Lower jaw tip ornamentation (from Merrett & Saldanha 1985)

FIGURE 7. Ilyophis maclainei sp. nov. Referred Specimen, DISCOVERY Collection, Station 50517, 237 mm TL (A) Dentition of upper jaw. (B) Dentition of lower jaw (from Merrett & Saldanha 1985)

FIGURE 8. Ilyophis maclainei sp. nov. (A) Referred Specimen, DISCOVERY Collection, Station 50517. Distribution of type α and ss squamation on left and right side of specimen. (B) Same specimen. Detail of squamation from area of trunk region (scales of type α ventrally). (C) Same specimen. Detail of squamation from anal region (scales of type ss). (D) Holotype, BMNH 1995.4.19.31. Detail of squamation from region of end of caudal (scales of type ss) (modified from Merrett & Saldanha 1985)