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Eryma representatives from Late Permian and Jurassic. A, specimen MNHN.F.B13450 of Eryma modestiforme (Schlotheim, 1822) from the Tithonian of Solnhofen, Germany; B, P1 chelae of the lectotype GPIT/CU/00349 (Quenstedt coll.) of Eryma ornatum (Quenstedt, 1857) from the Callovian of Gammelshausen, Germany ; C–D, cast of the holotype MNHN.B.12484 of Eryma ventrosum (Meyer, 1840) from the Oxfordian of Calmoutier, France: carapace (C) and line drawing (D); E–F, holotype PIN 1453 of Protoclytiopsis antiqua Birshtein, 1958 from the Changhsingian of Ust-Jenisseisk, Russia: carapace (E) and line drawing (F); G–H, holotype KSGR/AGH/K/4 of Galicia marianae Garassino and Krobicki, 2002 from the Oxfordian of Rudno, Poland: carapace (after Garassino and Krobicki: fig. 7) (C) and line drawing (D). Abbreviations: a: branchiocardiac groove; b: antennal groove; b1: hepatic groove; c: postcervical 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. Scale bars = 10 mm. Photographs: L. Cazes (A), G. Schweigert (B), J. Devillez (C), F. Schram (E). Line drawing: J. Devillez.
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