Convolutriloba with sparsely but widely distributed concrements on the dorsal surface; one type of rhabdoid gland cell with 3-?m long rhabdoids. Male copulatory organ consists of paired, lateral, sclerotized canals leading into a seminal vesicle. Seminal vesicle opens into a vesicula granulorum, which is filled with prostate secretion in its proximal part and cyanophilic vesicles in its distal part. Animals have 1 to 3 bursal nozzles. The mouth is positioned at 31 U of total body length (percent, measured from anterior tip to edge of posterior lobe); the female gonopore is at 52 U; the male gonopore is at 75 U.[From Shannon T, Achatz JG (2007): 4]
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