Caenoplana
''Caenoplana'' is a genus of land planarians from Australia and New Zealand. Description The genus ''Caenoplana'' is characterized by having an elongate, cylindrical to sub-cylindrical body. The eyes are arranged along the body margins, crowded irregularly at the sides of the anterior end and extending in a single row to the posterior end. The copulatory apparatus lacks a permanent penis, i. e., the penis is formed during copulation by folds in the male cavity. The female cavity is irregular and narrow and the ovovitelline ducts join each other behind it, entering it ventrally. Species The following species are recognised in the genus ''Caenoplana'': *'' Caenoplana albolineata'' *'' Caenoplana barringtonensis'' *'' Caenoplana citrina'' *''Caenoplana coerulea ''Caenoplana coerulea'', known as the blue planarian or blue garden flatworm is a species of land planarian. Description This is a long narrow flatworm, which is shiny black or dark brown on the upper surface, ...
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