A new species of Malletia (Bivalvia, Malletiidae) and new records of deep-water bivalves from Pacific Southern Colombia Suarez-Mozo, Nancy Yolimar Gracia, Adriana Valentich-Scott, Paul ZooKeys 2018 762 13 31 Dall, 1913 Dall 1913 Verticordiidae Lyonsiella treatment-meta Animalia Lyonsiella magnifica Myoida 0 13 species magnifica  Examined material. 1 live specimen EA345 ( 2.5557°N, 79.0476°W) at 668 m (INV MOL9804).  New location. Off Narino, Colombian Pacific.  Distribution. Mexico to Panama ( Coan and Valentich-Scott 2012).  Remarks. Colombian material resembles the type material of Lyonsiella magnifica.However, our specimens have more prominent umbones, a more truncate anterior end, and a more obliquely truncate posterior end when compared to the type material. Many additional specimens would be necessary to determine if our single specimen falls within the range of intraspecific variation for Lyonsiella magnificaor it represents a new species.