Carenzia golikovi Geiger, 2017

Geiger, Daniel L., 2019, The Family Seguenziidae Verrill, 1884 in the Northeast Pacific, including a comment on excessive numbers of taxonomic data portals, Zoosymposia 13, pp. 61-69 : 62

Carenzia golikovi Geiger, 2017

( Figure 1 A–B)

Carenzia golikovi Geiger, 2017: 228–229 , figs 1–18. Holotype LACM 3317. 5180 m, abyssal plain W of Oregon, S of Gulf of Alaska, Alaska (45° 00' N, 153° 47.7' W to 45° 02.3' N, 153° 55.9' W).

Description. Shell to 5 mm, trochiform, whorls rounded, carination on mid shoulder; base convex, more than one dozen irregularly spaced, spiral lines of variable strength; umbilicus narrow, with indistinct funiculus; axial growth lines indistinct.

Distribution. Aleutian Trench (52˚N, 176˚W) to S Gulf of Alaska, Alaska (45˚N, 154˚W). 5100 m.

Figures

FIGURE 1. A–B. Carenzia golikovi Geiger, 2017. A. 5180 m, Abyssal plain W of Oregon, S of Gulf of Alaska, Alaska (approximately 45° N, 153.8° W) (LACM 3317, holotype), 5.3 mm. B. 5100 m, Aleutian Trench, Alaska [near western end of chain], (52° 12'N, 175° 44'E) (LACM 3318, paratype). C. Carenzia inermis Quinn, 1983. 2820 m, Cascadia Abyssal Plain, off Oregon (LACM 1806, holotype), 6.8 mm. D. Asthelys careyi Geiger, 2017. 5180 m, abyssal plain W of Oregon, S of Gulf of Alaska, Alaska (approximately 45° N, 153.8' W) (LACM 3320, holotype), 7.0 mm. E–F. Oligomeria conoidea Galkin & Golikov, 1985. E. 166 m, S of Attu Island, Aleutian Islands, Alaska (LACM 1997-163.7), 5.9 mm. F. 219 m, NE of Semisopochnoi Island, Aleutian Islands, Alaska (LACM Station 86-330), 4.7 mm.