Gastrotricha, Thaumastodermatidae, Thaumastodermatinae.
DIC (A, C) and SEM (B,D,E) photomicrographs showing the general body shape and aspects of the cuticular covering of representatives of the genera Pseudostomella and Ptychostomella. A, B, Pseudostomella etrusca, A, habitus, B, close-up of the anterior end showing the impressive oral palps; C, Ptychostomella sp 1, habitus; D, Ptychostomella mediterranea, habitus, dorsal view; E, Ptychostomella sp., habitus ventral view. The latter two species were not involved in the molecular study. Scale bars A, C = 50 µm, B, D, E = 20 µm.
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