Potamethus cf scotiae plate web.png

Potamethus sp. 1: a) detail of anterior end and collar in ventro-lateral view; b) posterior end with pygidium; c) thoracic notochaetae – long limbate and shorter mucronate; d) thoracic mucronate chaetae (arrowed); e) thoracic unicini; f) companion chaetae of thoracic uncini (arrowed). g) abdominal neurochaetae, with detail of mucronate type, limbate type from posterior chaetiger;  h) abdominal neurochaetae from mid abdominal chaetiger;  i) abdominal uncini; j) posterior abdominal neurochaetae detail.