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Webster 1913 Edition
Hyperoartia
‖
Hyˊper-o-ar′ti-a
,Noun.
pl.
[NL.]
(Zool.)
An order of marsipobranchs including the lampreys. The suckerlike moth contains numerous teeth; the nasal opening is in the middle of the head above, but it does not connect with the mouth. See
Cyclostoma
, and Lamprey
.