Fig. 4 in Systematics, morphology, and appendages of an Early Ordovician pilekiine trilobite Anacheirurus from Fezouata Shale and the early diversification of Cheiruridae

Fig. 4. Endopodites of the cheirurid trilobite Anacheirurus adserai (Vela and Corbacho, 2007) from the Fezouata Shale, Araneograptus murrayi Zone, Tremadocian, Lower Ordovician, near Beni Zouli, Zagora Province, Morocco. A. MGL 103863, photograph under alcohol with polarized light (A1), explanatory drawing with podomere numbers (A2). B. MGL 102225, photograph under alcohol with polarized light (B1), explanatory drawing with endopodite numbers (B2). Scale bars 1 mm. Abbreviations: ar, axial ring.