Metalycaeus cyphogyrus (Quadras & Moellendorff , 1895)
Alycaeus cyphogyrus Quadras & Möllendorff , 1895: 144-145.
Alycaeus (Chamalycaeus) cyphogyrus - Kobelt 1902: 354.
Chamalycaeus (Chamalycaeus) cyphogyrus - Zilch 1957: 142, pl. 6, fig. 17.
Metalycaeus cyphogyrus - Páll-Gergely and Auffenberg 2019: 384, fig. 8A.
Type locality.
"In insula Catanduanes leg. J. Quadras, prope vicum Caramuan insulae Luzon".
Material examined.
Philippinen: Caramuan (Luzon, Camarines), coll. Möllendorff , SMF 109473 (lectotype, designated by Zilch 1957); Philippinen: Catanduanes, SMF 109475 (8 paralectotypes); Catanduanes, Philippines, 'S&F Ad. 31/10/07, da Costa Collection’ , V. W. MacAndrew Collection, Acc. no. 1563, NHMUK 20150119 (3 shells).
Remarks.
Protoconch elevated, spirally striated; R1 with dense, weak ribs and spiral striae of the same strength; R2 moderately long, with relatively dense and low ribs.