Tiaropsidium kelseyi
Distribution:
Pacific Ocean.
Habitat:
90-180 m depth
Size:
Up to 50 mm bell diameter, as adults.
Useful Facts or Characters:
The umbrella is about 3 times as broad as high. The manubrium is small, short, with thin walls and slightly frilled lips. It has 8 marginal tentacles. The umbrella is colorless, transparent along with the manubrium, canals, and gonads; tentacles have a slight yellow color.
References:
Torrey, H.B. (1909) The Leptomedusae of the San Diego Region. University of California Publications in Zoology 6: 11-31.