DIAGNOSIS. — Same as for the family Microhypsibiidae.
ETYMOLOGY ( NOT PROVIDED IN THE ORIGINAL DESCRIPTION). — The name was most likely chosen to underline the minute size of the family members.
COMPOSITION. — Microhypsibius bertolanii Kristensen, 1982, M. japonicus Ito, 1991, M. minimus Kristensen, 1982, M. truncatus Thulin, 1928 ( type species).
REMARKS
See Kristensen (1982) for the most current depiction of the genus Microhypsibius.