Isolda pulchella

Buccal tentacles smooth, banded in colour. Branchiae 4 pairs. Branchiae composed of 2 or more types, include both smooth and papillose/pennate pairs, none basally flanged. 2 pairs smooth and 2 pairs papillose. Paleae on segment 3 absent. Dorsal crest present, on either segments 6 or 7. Nuchal (post branchial) hooks on segment 4 present. Notopodia all similar. Notochaetae present from segment 5 or segment 6. Notochaetae small capillaries. Neuropodia present, tori of similar length throughout thorax. Segments 3–6 with fine acicular neurochaetae. Number of pairs of thoracic uncinigers 13. Abdominal notopodial rudiments present.

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:
Hutchings, PA. 1977. Terebelliform polychaeta of the families Ampharetidae, Terebellidae and Trichobranchidae from Australia, chiefly from Moreton Bay, Queensland. Records of the Australian Museum 31, 1-38.

Australia, North America, Atlantic coast, South America, Atlantic coast, Southeast Asia, South Africa, Atlantic coast. Distribution within Australia: South-eastern Australia, North-eastern Australia. Rare in Hawkesbury River, common in Botany Bay, NSW.

Estuarine, marine, inshore (including inshore bay), marine, shelf (down to 66m depth).