unknown number out of 5 specimens mounted on slides or for SEM, deposited in the personal collection of F. Pardos at the Universidad Complutense de Madrid, Spain
North East Atlantic Ocean, Bay of Biscay, off coast of Cantabria, 43°39'48''N, 004°39'48''W, 179 m depth, muddy sand, collected by R/V Cornide de Saavedra in X.1990