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Catostylus townsendi
Catostylus townsendi Mayer, 1915
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Family:  Catostylidae ()
Max. size:  10 cm WD (male/unsexed)
Environment:  pelagic; marine
Distribution:  Borneo, Malay Archipelago and Indo-China.
Diagnosis:  10 cm wide, flatter the a hemisphere, finely granular, jelly of horny rigidity; number of lappets variable, velar lappets about twice as wide as long, rhopalar lappets small and oval,; deep clefts between lappets extend upwards; mouth arms two thirds of the length of diameter, distal three winged portion 2 to 4 up to 7 times as long as proximal simple portion, tapering to pointed distal ends; intracircular mesh work with rather wide meshes, extracircular mesh work fine meshed, extending into the lappets.
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:  Known from Borneo.

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