1–4 Hantzschia amphioxys (6957, 6959) 5, 6 Hantzschia sp. (6957) 7, 8 Hantzschia abundans [Hantzschia amphioxys?] (6958) 9, 10 Hantzschia elongata (6955) 11–13 Hantzschia hyperborea (6955) 14 Hantzschia sp. (6955). Scale bar: 10 µm.