Spauligodon timbavatiensis n. sp. (Nematoda: Pharyngodonidae) from the large intestine of Pachydactylus turneri (Sauria: Gekkonidae) in the Northern Province (RSA) is described and illustrated. It is the fifth species in the Ethiopian region, the others being Spauligodon smithi from Pachydactylus bibronii and Spauligodon petersi from Mabuya sulcata, both in the Northern Cape Province, South Africa, Spauligodon morgani from Mabuya striata in Malawi, and Spauligodon dimorpha from Chamaeleo pardalis in Madagascar. The males of the new species differ from S. smithi in that the adcloacal papillae are single (bifid in S. smithi), from S. petersi in the presence of a spicule and having narrow lateral alae (wide and triangular in S. petersi) and from S. dimorpha and S. morgani in having a spicule. Furthermore, S. timbavatiensis differs from S. morgani in lacking spines on the tail. The females of the new species have a long tail and truncated egg ends as opposed to the short, spiky tail and pointed eggs of S. morgani; a spiny tail and truncated eggs as opposed to the smooth tail and pointed eggs of S. petersi and a longer oesophagus than S. smithi. Furthermore, the females of S. dimorpha and S. morgani are much larger than those of S. timbavatiensis. In addition, the excretory pore opens behind the posterior end of the oesophageal bulb in the new species, while in S. smithi and S. dimorpha it opens at the level of the end of the oesophageal bulb.
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