The genital papilla structure of female and male specimens is studied in four species of large holothurians of the genus Cucumaria from the Far Eastern seas of Russia: Cucumaria japonica (Semper), C. okhotensis Levin et Stepanov, C. anivaensis Levin, C. djakonovi Baranova. The papillary forms in these species are extremely various and cannot be considered as characteristic for the species.
Russian Journal of Marine Biology – Springer Journals
Published: Jan 18, 2006
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