New species of Glyphohesione and Pseudexogone (Annelida, Pilargidae) from the Gulf of Thailand Author Plathong, Jintana Marine Ecosearch Management Co., Ltd., 4 / 31 Moo 1, Namnoi, Hat Yai, Songkhla 90110, Thailand. & Marine Science Learning Center, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110 Thailand. Author Plathong, Sakanan Marine Science Learning Center, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110 Thailand. Author Dean, Harlan K. Museum of Comparative Zoology, Department of Invertebrate Zoology, 26 Oxford St. Cambridge, MA 02138, USA. text Zootaxa 2024 2024-03-21 5428 2 235 252 http://dx.doi.org/10.11646/zootaxa.5428.2.4 journal article 10.11646/zootaxa.5428.2.4 1175-5326 10847479 ED72D618-B7FA-422A-BAA6-568FA3AB7F7E Genus Pseudexogone Augener, 1922 Diagnosis (after Glasby & Salazar-Vallejo 2022 ). Pilargids with body cylindrical, integument smooth. Lateral and median antennae present. Palps variably fused, palpostyles ventrolateral. Paired ventrolateral palpal papillae present. Pharynx smooth. Two pairs of tentacular cirri. Dorsal and ventral cirri cirriform. Notochaetae are falcate bidentate spines. Neurochaetae include pectinate and denticulate capillaries and furcate chaetae.