Figure 4 in Stenotaenia Koch, 1847: a hitherto unrecognized lineage of western Palaearctic centipedes with unusual diversity in body size and segment number (Chilopoda: Geophilidae)

Figure 4. Microscopic images of a female specimen of Stenotaenia frenum (Meinert, 1870) from Baie de Tamanart (Algeria) (28-mm long, with 81 leg-bearing segments; 7-XI-1984, collection A. Minelli): (a) head, ventral; (b) clypeus and maxillary complex, ventral; (c) sternum of leg-bearing segment X; (d) forcipular segment, ventral. Abbreviations: ch, chitin line; cl, clypeus; co, condyle of forcipular coxosternum; cx, forcipular coxosternum; fb, forcipular basal article; fi, forcipular intermediate articles; ft, forcipular tarsungulum; la, labrum; pc, forcipular pleurocoxal margins; t1, telopodite of first maxillae; t2, telopodite of second maxillae.