Turbellarian taxonomic database
Typhloplanidae Olisthanellinae Diagnosis
Pharynx typical, in mid-body third;
male copulatory organ without cirrus;
without genito-intestinal connection;
without ascus;
testes dorsal to mostly unlobed or only weakly lobed branched vitellaria;
with separate excretory trunks opening to body surface;
freshwater;
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