Fig. 2 in Systematics, morphology, and appendages of an Early Ordovician pilekiine trilobite Anacheirurus from Fezouata Shale and the early diversification of Cheiruridae

Fig. 2. Cheirurid trilobites Anacheirurus adserai (Vela and Corbacho, 2007) from the Fezouata Shale, Araneograptus murrayi Zone, Tremadocian, Lower Ordovician, near Beni Zouli, Zagora Province, Morocco (A, B) and Lehua vinculum (Barrande, 1852) from the Dobrotivá Formation, upper Darriwilian to lowermost Sandbian, Zaječov-Svatá Dobrotivá, Czech Republic (C–E). A. YPM 522182, part, complete holaspid with hypostome impressed. B. YPM 530933, complete holaspid. C. NM L19066, complete holaspid. D. NM L19075, complete cranidium. E. JV1607, anterior half of an holaspid specimen. Specimens in C–E covered by ammonium chloride.