Pseudexogone Augener, 1922

Plathong, Jintana, Plathong, Sakanan & Dean, Harlan K., 2024, New species of Glyphohesione and Pseudexogone (Annelida, Pilargidae) from the Gulf of Thailand, Zootaxa 5428 (2), pp. 235-252 : 249-251

Key to species of Pseudexogone Augener, 1922

(modified from Salazar-Vallejo et al. 2007; the drawings at each couplet are the furcate chaetae)

1. Prostomium with eyespots.............................................................................. 2

– Prostomium without eyespots.............................................................................5 2.................................................................................................... 3 –................................................... P. williamsae Salazar-Vallejo, Bailey-Brock & Dreyer, 2007 (Southern California, USA)

3. Bidentate spines from chaetiger 6........................................................................ 4

– Bidentate spines from chaetiger 7;.................................. P. backstromi Augener, 1922 (off Chile; Pacific Ocean) 4...................................................... P. imajimai Salazar-Vallejo, Bailey-Brock & Dreyer, 2007 (off Tanegashima, Japan) –................................................................................... P. losinensis sp. nov. (Gulf of Thailand) 5........................................................ P. helmuti Salazar-Vallejo, Bailey-Brock & Dreyer , 200 (off Saint Paul Island, Southern Indian Ocean)

–................................................................ P. dineti Katzmann, Laubier & Ramos, 1974 (geounit Adriatic Sea)