Fig. 1
From: Palaeontological and Molecular Evidence Linking Arthropods, Onychophorans, and other Ecdysozoa
Examples of the phyla of molting animals grouped with arthropods in Ecdysozoa. a Nematoda (Draconema sp.); b Nematomorpha (Spinochordodes tellinii); c Loricifera (Nanaloricus mysticus); d Onychophora (Peripatoides aurorbis); e Tardigrada (Tanarctus bubulubus); f Priapulida (Priapulus caudatus); g Kinorhyncha (Campyloderes macquariae). Images courtesy of Martin Sørensen (a, g), Andreas Schmidt-Rhaesa (b, f), Reinhardt Kristensen (c, e) and Gonzalo Giribet (d)