Comprehensive Description

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Description

Prostomium with anterior margin indented. Longest tentacular cirri extend back to chaetiger 2–3. Maxillary ring of pharynx without paragnaths. Oral ring papillae present (assumed, but not observed due to inadequate material); solitary; 10–13 papillae present in total. Area V papillae present; 3 papillae; VI papillae absent; VII-VIII papillae present. Comprising a double row. 7–10 papillae. Oral ring paragnaths absent. In Ceratocephale spp, Area V and VI contain up to 3 papillae in total; these are here interpreted as all occurring in Area V, with VI=0,0. Transverse dorsal lamellae present; commencing chaetiger 10. Prechaetal notopodial lobe present. Dorsal cirrus length about 2 times ventral notopodial ligule at chaetiger 10-20. Neuropodial postchaetal lobe present, at least on some anterior chaetigers. Ventral neuropodial ligule on posterior chaetigers reduced, up to half length of acicular neuropodial ligule. Ventral cirri paired. Commencing chaetiger 1. Notopodial homogomph spinigers present; sesquigomph spinigers absent. Notopodial homogomph falcigers absent. Neuropodial dorsal fascicle fused falcigers absent.

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Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wilson, Robin; Glasby, Chris

Source: Annelida LifeDesk

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