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Holotype of Sericopelma angustum. 6 Habitus and labels 7 Valerio (1980) figure 19, drawing spermathecae 8 Spermathecae, dorsal view 9 Spermathecaee, lateral view showing (reversed) ‘P-shape’ diagnostic of Sericopelma 10 Dense pad of plumose hairs on femur IV not present in Brachypelma, upper with alcohol wet, bottom left inset same dried, bottom right inset closeup of plumose hairs 11 tarsus leg IV showing unusual spines along central axis, bottom left inset closer image.
