FIG. 1 in Review of the Late Jurassic erymoid lobsters (Crustacea: Decapoda)

FIG. 1. — Carapace and P1 chela morphologies of the Late Jurassic erymoids: A, regions of the carapace; B, morphology of a chela of the first pair of pereiopods; C, typical carapace groove pattern of Eryma; D, form I of chela of the first pair of pereiopods of Eryma; E, form II of chela of the first pair of pereiopods of Eryma; F, typical carapace groove pattern of Palaeastacus; G, typical chela of the first pair of pereiopods of Palaeastacus; H, typical carapace groove pattern of Pustulina; I, typical chela of the first pair of pereiopods of Pustulina; J, typical carapace groove pattern of Stenodactylina; K, form I of chela of the first pair of pereiopods of Stenodactylina; L, form II of chela of the first pair of pereiopods of Stenodactylina; F, typical carapace groove pattern of Enoploclytia; G, typical chela of the first pair of pereiopods of Enoploclytia. Abbreviations: a, branchiocardiac groove; ar, antennal region; b, antennal groove; b1, hepatic groove; br, branchial region; c, postcervical groove; cr, cardiac region; d, gastro-orbital groove; e1e, cervical groove; gr, gastric region; hr, hepatic region; i, inferior groove; ip, intercalated plate; PoA, post-orbital area; pr, pterygostomial region; χ, attachment site of adductor testis muscle; ω, attachment site of mandibular muscle. Line drawings: J. Devillez.