Fig. 5

a–g Juracantha hottingeri gen. et sp. nov. from the Late Oxfordian Bure Member of the Boncourt—Queue au Loup site. a–c QLP005-811 (paratype), distal arm segments in dorsal view (a) and with details of lateral (b) and ventral (c) views; d QLP005-812 (paratype), proximal arm segments in dorsal view, exposing arm spine fragments. e–g QLP005-813 (paratype), proximal arm segment in distal (e), proximal (f) and ventro-distal (g) views. h–l Ophiodoris francojurassicus (Hess, 1975b) from the Late Oxfordian Bure Member of the Boncourt—Queue au Loup site. h QLP005-814, median to distal arm segments in dorsal view. i QLP005-815, proximal arm segments in lateral view. j QLP005-816, median arm segments in ventral view. k QLP005-817, median arm segments in lateral view. l QLP005-818, detail of median arm segments in lateral view, exposing spine articulation. All scale bar specifications are in mm