balnema fu'ivla

x1 is a baleen whale of species x2

See also orka

In notes:

blatceta
x1 is a blue whale (Balaenoptera musculus) of subspecies/breed x2.
brana'itceta
x1 is a humpback whale (Megaptera novaeangliae) of subspecies/breed x2.
cketake
x1 is a cetacean of species/breed x2
tcetace
x1 is a whale/dolphin/porpoise (order Cetacea) of species/breed x2