Metalycaeus hungerfordianus (Nevill, 1881)

Alycaeus hungerfordianus Nevill, 1881: 149-150.

Alycaeus (Chamalycaeus) hungerfordianus - Kobelt 1902: 356.

Chamalycaeus (Chamalycaeus) hungerfordianus - Zilch 1957: 142.

Chamalycaeus hungerfordianus - Hsieh et al. 2006: 86 + text figs; Hwang 2014: 7, fig. 1E.

Type locality.

“Tamsui” .

Material examined.

Formosa, leg. Hungerford, NHMUK 1891.3.17.790-791 (probable syntypes, see Hwang 2014).

Remarks.

Protoconch elevated, spirally striated; R1 very finely, irregularly ribbed, and striated with equally strong striae; R2 very short, consists of less than 10, sharp, widely spaced, rather irregular ribs which are slightly bent in the direction of their anterior neighbours.