Mikro Warén, 1996

Herbert, David G., 2024, The Vetigastropoda (Mollusca) of Walters Shoal, with descriptions of two new genera and thirty new species, European Journal of Taxonomy 923, pp. 1-119 : 81

Genus Mikro Warén, 1996

Type species

Mikro globulus Warén, 1996 (original designation), Recent, NE Atlantic.

Remarks

The generic affinity of the new species described below is not clear. I have chosen to refer it to Mikro largely on account of its smooth protoconch, distinct spiral rib on the early teleoconch whorls and intra-umbilical keels. It represents the first record of the genus from the Indian Ocean. Although I do not feel confident in this generic referral, I can find no other described genus that appears more appropriate and opt to refrain from describing yet another new skeneimorph genus based solely on shell morphology. I had initially considered it to belong to Trochaclis , but species in that genus have a distinct protoconch sculpture of anastomosing threads enclosing irregularly polygonal spaces (cf. Trochaclis regalis above and Marshall 1995).