Glyphohesione Friedrich, 1950

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 : 242

Key to species of Glyphohesione Friedrich, 1950

1. Prostomium lacking eyespots............................................................................ 2

– Prostomium with eyespots................................... G. nicoyensis Dean, 1988 (Gulf of Nicoya, Costa Rica)

2. Lateral antennae located on the anterior of prostomium........................................................3

– Lateral antennae located on the middle-lateral of prostomium; lacking ventral cirri at chaetiger 2; first notopodial spines begin on chaetiger 6....................................................... G. pattaniensis sp. nov. (Gulf of Thailand)

3. First notopodial spines from chaetigers 5–8................................................................. 4

– First notopodial spines from chaetigers 10–15, neurochaetae with bifid tips... G. longocirrata Licher, 1994 (Gulf of Mexico)

4. Neurochaetae tips entire and straight, first notopodial spines from chaetiger 5................................................................ G. campensis Ribeiro, Barbosa, Freitas, Zanol, Glasby & Ruta, 2020 (Campos Basin, Brazil)

– Neurochaetae with entire and curved tips, first notopodial spines from chaetigers 5–8.......................................................................................... G. klatti Friedrich, 1950 (North Sea, Atlantic Ocean)