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Fig. 20 | Frontiers in Zoology

Fig. 20

From: New insights into the evolution of portunoid swimming crabs (Portunoidea, Heterotremata, Brachyura) and the brachyuran axial skeleton

Fig. 20

Examples showing character states concerned with the origin of the posterior coxa muscle of the 2nd pereiopod (character 26; AC) and of the dorsal basi-ischium muscle of the 2nd pereiopod (character 27; D, E). DorsBas P2 2nd pereiopod dorsal basi-ischium muscle, IntPl interopleurite (with number pair indicating thoracomeres between which it is situated), IntSt interosternite (with number pair indicating thoracomeres between which it is situated), MP median plate, P2 proximal 2nd pereiopod podomeres, PostCox P2 2nd pereiopod posterior coxa muscle, ST sella turcica

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