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Morphology of the carapace and of the chela of the first pair of pereiopods of Pustulina Bell, 1863 and species from the Early and Middle Jurassic. A: typical carapace groove pattern of Pustulina; B: typical chela of the first pair of pereiopods of Pustulina; C–D: lectotype MAN 2016.0.620 of Pustulina elegans (Förster, 1966) from the Bajocian of Marbache (France): general view (A), line drawing (B); E–F: lectotype MAN 2016.0.620 of Pustulina calloviensis (Förster, 1966) from the Callovian of Kornberg (Switzerland): general view (A), line drawing (B); G–H: Pustulina sp. from the Early Jurassic of Ilminster (United Kingdom): original figure of the specimen of Woods (1930: pl. 19, fig. 5) (G), line drawing (H). Scale bars: 1 cm. Abbreviations: a: branchiocardiac groove; as: antennal spine; 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; χ: attachment site of adductor testis muscle; ω: attachement site of mandibular muscle. Photographs and line drawings: J. Devillez.
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