I have just seen the lectotype of Mangelia descendens Martens, 1904 in
Monsecour and Köhler, 2006. This shell was placed in Strombina by
Rolán (2005).

I have no doubt that this shell is actually a Metulella, so I propose
that it should be placed in that genus. This makes it (as far as I
know) the only other living species in the genus Metulella, besides M.
columbellata (Dall, 1889).

James


References:

Martens, E. v. 1904. Die beschalten Gastropoden der deutschen
Tiefsee-Expedition, 1898-1899. In Systematisch-geographischer Theil.,
7. Wissenschaftliche Ergebnisse der deutschen
Tiefsee-Expedition auf dem Dampfer “Valdivia” 1898-1899, pp. 1-146.

Monsecour, K., Köhler, F. 2006. Annotated list of columbellid types
held in the Malacological Collection of the Museum für Naturkunde,
Berlin (Mollusca, Caenogastropoda, Columbellidae). Mitteilungen aus
dem Museum für Naturkunde Berlin, Zoologische Reihe, 82: 282-306.

Rolán E. 2005. Columbellidae (Gastropoda, Neogastropoda) of the gulf
of Guinea with the description of eight new species. Iberus 23(2):
119-156.

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