Leptognathiidae Sieg, 1976 * Author Bird, Graham J. text Zootaxa 2007 1599 61 85 journal article 10.5281/zenodo.178698 4752b142-888a-44bf-b0a3-210a24ff581a 1175-5326 178698 Biarticulata greveae ( Kudinova-Pasternak, 1976 ) Leptognathia greveae Kudinova-Pasternak, 1976 : 119 –120, 123, fig.2. Biarticulata greveae ( Kudinova-Pasternak, 1976 ) : Larsen & Shimomura, 2007 : 19 . Remarks. An incompletely-described species of unknown affinities, with a short and broad pleon and pleotelson, and Akanthophoreus -like antennule, antenna, uropod and mandibles. It is a hadal species from 8185– 8400 metres in the Kurile-Kamchatka Trench ( 45o 25’N 153o 07’E ), known from one specimen (Kudinova- Pasternak 1976 ). Not recorded in the present material.