Acanthogonatus chilechico

Acanthogonatus chilechico is a mygalomorph spider of Chile, its name arising from its type locality: Chile Chico, General Carrera, Region XI (de Aysén), Chile. This species is most similar to A. notatus, but is distinguished by a less developed embolar flange and by having the basal portion of the bulb narrower in lateral view, and the presence of more numerous spines on its metatarsus I.

Description

 * Male: total length 11.74 mm; cephalothorax length 5.04 mm, width 4.18 mm; cephalic region length 3.22 mm, width 2.66 mm; medial ocular quadrangle 0.49 mm, width 0.87 mm; labium length 0.5 mm, width 0.93 mm; sternum length 2.90 mm, width 2.14 mm. Its labium has no cuspules. A serrula is present on the anterior edge only. Its sternal sigilla is small, oval and submarginal; it possesses a weakly rebordered sternum. Chelicerae: rastellum is formed by attenuate setae; its 6 teeth are widely spaced. Cheliceral tumescence is white and flat. Its metatarsus is almost straight. The entire spider is yellowish-brown in colour, while its abdomen has darker spots, forming a chevron.

Distribution
It is known to habitate only in the type locality.