:Acanthogonatus patagallina

{{Short description|Species of spider}}

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| taxon = Acanthogonatus patagallina

| authority = Goloboff, 1995

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Acanthogonatus patagallina is a mygalomorph spider of Chile, named after its type locality: Pata de Gallina, Arauco, Region VIII (Bío Bío Region).Goloboff, Pablo A. "A revision of the South American spiders of the family Nemesiidae (Araneae, Mygalomorphae). Part 1, Species from Peru, Chile, Argentina, and Uruguay. Bulletin of the AMNH; no. 224." (1995). This species is closest to A. nahuelbuta, but is distinguished by having the basal portion of the male's bulbal duct more sinuous and the basal portion of its bulb more rounded in lateral view.

Description

  • Male: total length {{convert|10.5|mm|in}}; cephalothorax length {{convert|4.37|mm|in}}, width {{convert|3.42|mm|in}}; cephalic region length {{convert|2.87|mm|in}}, width {{convert|1.91|mm|in}}; medial ocular quadrangle (OQ) length {{convert|0.42|mm|in}}, width {{convert|0.8|mm|in}}; labium length {{convert|0.30|mm|in}}, width {{convert|0.73|mm|in}}; sternum length {{convert|2.21|mm|in}}, width {{convert|1.82|mm|in}}. Its labium possesses no cuspules; its maxillae have 15 attenuate setae. A well-developed serrula is present. Its sternal sigilla is small, almost rounded and shallow. Chelicerae: rastellum is absent. Cheliceral tumescence is small and ventrally produced. Leg I and its tibial apophysis is similar to that of A. Nahuelbuta, while its metatarsus is straight. Its cephalothorax and legs are a reddish-brown colour, with yellowish lighter glabrous leg stripes. Its sternum is yellowish, and its dorsal abdomen is densely mottled.

Distribution

Only in its type locality.

References

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