English: From paper: Macro-photographic (A,C,E), fluorescent (B,F–I), and tomographic (D) images of Retifacies abnormalis. (A) Dorsal view of YKLP 13927. (B) Close-up of the proximal eight annuli of right antenna in (A). (C) Dorsal view of YKLP 11436. (D) Head region shown in (C) demonstrates the morphology and position of the hypostome relative to the cephalic appendages. (E) Dorsal view of YKLP 11430. (F) Distal portion of the first left post-antennal appendage. (G) Close-up of left antenna in (E). (H) Close-up of the fourth left thoracic appendage (LTh4) with endopodite and exopodite. (I) Close-up of two podomeres of the fifth right thoracic appendage (RTh5). Note the prominent enditic spines. Abbreviations: ant—antenna (e); ann—nth annulus of the antenna; Cn—nth post-antennal cephalic appendage; exo—exopodite; hs—head shield; ls—lateral spines on the posterior margin of the pygidium; pdn—nth podomere of the aapendages; pg—pygidium; s—spine (s)/seta (e); Tn—nth thoracic tergite; Thn—nth thoracic appendages; tc—terminal claw; R—right; L—left. Scale bars: 1 cm in (A), 5 mm in (C,E), 2 mm in (D), 1 mm in (B,H), 0.5 mm in (G,I), and 0.2 mm in (F).