Samythella Verrill, 1873

Prostomium anteriorly truncated, simple. Buccal tentacles smooth. Oral membrane smooth and folded. Prostomial dorsal glandular ridges absent. Branchiae 3 pairs. All branchiae similar, all smooth, at least one pair basally flanged. Only last pair of branchiae clearly associated with a specific segment. Paleae on segment 3 absent. Dorsal crest absent. Nuchal (post branchial) hooks on segment 4 absent. Notopodia all similar. Notochaetae present from segment 4. Neuropodia present. Segments 3–6 without neurochaetae. Number of pairs of thoracic uncinigers 12. Abdominal notopodial rudiments absent. Anal cirri absent.

Description generated from: Hutchings, PA & Johnson, RT, 2003. Australian Ampharetidae (Polychaeta) DELTA database. In Wilson RS, Hutchings PA & Glasby CJ (eds) Polychaetes: Interactive Identification and Information Retrieval. CSIRO Publishing, Melbourne.

Additional references:
Fauchald, K. 1977. The polychaete worms. Definitions and keys to the orders, families and genera. Natural History Museum of Los Angeles County, Science Series 28, 1-188.