Paraphyllina ransoni Russell, 1956
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Family:  Paraphyllinidae ()
Max. size:  3.5 cm WD (male/unsexed)
Environment:  pelagic; marine
Distribution:  Pacific, Atlantic and the Mediterranean: Liberia, USA and Canada.
Diagnosis:  Up to 3.5 cm wide (2.5 m at coronal groove); umbrella with dome-shaped apex; rhopalar pedalia slightly narrower than the tentacular; marginal lappets evenly rounded; eight adrarial gonads W-shaped; ring muscle continuous; no ocelli with lens; brownish-red coloration over whole medusa.
Biology:  In deep water (Ref. 19). Members of the class Scyphozoa are gonochoric. Life cycle: Egg is laid by the adult medusa which later develops into a free-living planula, then to a scyphistoma to a strobila, and lastly to a free-living young medusa (Ref. 833).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans: 
Country info:   

Entered by: Dar, Christine - 11.12.05
Modified by: Parducho, Vina Angelica - 20.03.14

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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