Turbellarian taxonomic database

Dalyelliidae Vaillantiella Diagnosis

Free-living, totally ciliated;
front end with slight angles;
two eyes;
pharynx small, pharynx papillae weakly indicated;
inner longitudinal muscles of pharynx equals 26;
testes in caudal body half;
cuticular organ arising in two pockets lying next to the distal part of the copulatory organ, consisting of a cross-placed, narrow clasp, whose both ends carry asymetrical strong spines;
bursa copulatrix not demarcated from the atrium;
vitellaria short, papillae-less;
seminal receptacle stalked;
eggs unstalked;

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