Oxyonchus longisetosus n. sp. Oxyonchus evelynae n. sp. and Oxyonchus culcitatus Wieser, 1959 (Thoracostomopsidae: Enoplida: Nematoda) from Australian ocean beaches, together with observations on the variability of taxonomic characters and a key to species of the genus Oxyonchus
Two new species of Oxyonchus are described and O. culcitatus Wieser, 1959, is re-described from the coast of eastern Australia. All three were collected from between the tide-marks from sandy beaches. Oxyonchus longisetosus n.sp. is distinguished from other species of the genus by the combination of very long cephalic setae, low arched mandibles and stout 'comma-shaped' spicules. Oxyonchus evelynae n.sp. also possesses long cephalic setae and 'comma-shaped' spicules but has higher rectangular...[Show more]
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