Fig. 1

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Line drawings of carapaces and P1 chelae of erymid lobsters. A–C, Eryma Meyer, 1840: carapace (A), P1 chela form I (B), P1 chela form II (C); D, carapace of Palaeastacus Bell, 1850; E, carapace of Stenodactylina Beurlen, 1928; F, carapace of Enoploclytia M'Coy, 1849; G, carapace of Pustulina Quenstedt, 1857. Abbreviations: a: branchiocardiac groove; b: antennal groove; b1: hepatic groove; c: postcervical groove; cd: cardiac groove; d: gastro-orbital groove; e1e: cervical groove; i: inferior groove; ip: intercalated plate; ω: attachment site of mandibular muscle; χ: attachment site of adductor testis muscle. Line drawings: J. Devillez and S. Charbonnier.

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