thaumantias

[Gr. thauma (gen it. thau matos )=a wonder.] Zool .: A genus of Meduside. Body hemispher. ical, its circumference with tentaculiform cirrhi, bulbous at their root, the under part of the animal anuch excavated, with a stomachical cavity terminating by a buccal orifice. From the European and Australian coasts.