File:41598 2017 13319 Fig2 HTML.webp

English: figure 2. Prosomal appendages of Yunnanolimulus luopingensis. (A) LPI-61734, a well-preserved individual with walking legs and book gills in ventral view. Frame indicates close-up shown in (D,G). (B) LPI-3630, a juvenile individual with well-preserved prosomal appendages. (C) LPI-38878, a juvenile individual with preserved prosomal appendages; (D) details of the pusher leg and the chela of 5th right walking leg, note the whorl of plates and the smaller chela on the pusher. (E) Enlargement of the 2–5 right pairs of walking legs in (C). (F) Enlargement of the details of the first left walking legs in (A) (indicated by the white arrow); (G) details of the plates on the left pusher in (A). The following abbreviations are used: bg, book gills; ch, chela; chel, chelicerae; ga, gnathobase; ms, movable spine; op, opisthosoma; pp, pusher plates; pr, prosoma; ps, pusher; wl, walking leg. Scale bars: 10 mm in (A); 2 mm in B; 5 mm in (C,D); 2 mm in E; 1 mm in (F,G).