Comprehensive Description

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Prostomium with entire anterior margin. Longest tentacular cirri extend back to chaetiger 1. Maxillary ring of pharynx without papillae. Maxillary ring of pharynx without paragnaths. Oral ring papillae absent. Oral ring paragnaths present. Area V and VI present as distinct groups. Area V conical paragnaths present; VI present; cones present; smooth bars absent; pectinate rows absent; VII-VIII present; conical paragnaths present; Band of conical paragnaths on Areas VII-VIII a ring continuous dorsally and ventrally; pectinate paragnaths absent; arranged in one or more irregular lines forming a continuous band. Oral ring paragnaths form a continuous band through Areas V-VIII, two deep dorsally, four deep ventrally. Transverse dorsal lamellae absent. Dorsal notopodial ligule not markedly elongate on posterior chaetigers. Not markedly broader on posterior chaetigers. Dorsal notopodial ligule markedly reduced on posterior chaetigers. Prechaetal notopodial lobe absent. Dorsal cirrus not terminally attached to dorsal notopodial ligule on posterior chaetigers. Dorsal cirrus length about 1.5 times ventral notopodial ligule at chaetiger 10-20. Ventral neuropodial ligule on posterior chaetigers similar to length of acicular neuropodial ligule. Ventral cirri single. Notopodial homogomph spinigers present; sesquigomph spinigers absent. Notopodial homogomph falcigers present. Notopodial homogomph falcigers articulated throughout. Notopodial homogomph falcigers bidentate, with large adjacent terminal and subterminal teeth. Neuropodial dorsal fascicle fused falcigers absent.


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© Wilson, Robin

Source: Annelida LifeDesk

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