As Phacoides malcolmensis:
testa parva, fere rotunda, alba, aretissirae concentriee lamellata, lamellis paullulum flexuosis, hic illic irregularibus, supra, juxta et infra umbones sub lente minutissirae decussatis, umbonibus prominulis contiguis, parvis, antice paullum excavata, deinde rotundata, postice recte, declivi marginem apud dorsalem, dentibus normalibus.
Long. 9,25, lat. 10 mm. (sp. maj.).
Bab. Persian Gulf, Malcolm Inlet, 35 fathoms. A small white species with a fugitive light olive epidermis, very closely lamellate throughout. Only two or three examples were dredged, and it is possible it may attain slightly larger dimensions, as we are not certain of these being adult.