Turbellarian taxonomic database
Phaenocora clavigera Diagnosis
Animals up to 3.5 mm long. Visible eyes absent. Zoochlorellae not mentioned in literature. Amount of body pigmentation variable, sometimes absent. If present situated anteriorly to the pharynx and often as three longitudinal stripes. Male copulatory organ of the duplex-type IIIB. Dorsal side of penis papilla with three large spines, ventral side of penis papilla with four longitudinal rows of five slightly-bent spines placed at the same level, hence also forming five transverse rows. Female genital system is of the EVELINAE-type, with a long burso-intestinal duct, an intestinal bursa and a female genital canal. With a glandular papilla connected to the inferior genital atrium.
[From Houben AM, Van Steenkiste N, Artois TJ (2014): 334]
Notes from synonyms
Diagnosis for Phaenocora gracilis
Animals about 1.5 mm long, but can be up to 2.5 mm. Visible eyes absent. Body pigmentation diffuse reddish. Zoochlorellae absent. Male copulatory organ of the duplex-type IIIA. Penis papilla with a thickening, which is probably an increased part of its sclerotised wall. Female genital system of the AGLOBULATA- type or the UNIPUNCTATA-type.
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