Genus Syllides Örsted, 1845 Syllides Örsted, 1845: 408. Type species. Syllides longocirrata Örsted, 1845, designated by Hartman, 1959. Diagnosis. Body small, short, with relatively few segments. Prostomium with 4 eyes, typically pair of anterior eyespots. Three antennae. Palps fused basally, without median furrow, sometimes ending with small papilla. Two pairs of tentacular cirri. Nuchal organs as 2 ciliated grooves between prostomium and peristomium. Antennae, tentacular cirri, and dorsal cirri of chaetigers 1 and 2, smooth, nonarticulated, club-shaped to fusiform; dorsal cirri from chaetiger 3 onwards, distinctly articulated, with glandular inclusions on some articles. Ventral cirri digitiform. Compound chaetae heterogomph with blades slender, usually bidentate. Dorsal simple chaetae from anterior segments, usually from chaetiger 1. Ventral simple chaetae present in some species. Pharynx unarmed, with crown of soft papillae. Reproduction by epigamy, some species brood eggs ventrally (Heacox & Schroeder, 1978).

Published as part of San Martin, G & Hutchings, PA, 2006, Eusyllinae (Polychaeta: Syllidae) from Australia with the Description of a New Genus and Fifteen New Species, pp. 257-370 in Records of the Australian Museum 58 on page 358