multifid


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multifid

[′məl·tə‚fid]
(biology)
Divided into many lobes.
References in periodicals archive ?
Dorsal-fin soft rays 15-17, anal-fin spines III; gill rakers on lower limb of first arch 21-24; nasal cirrus multifid in adults; upper margin of subopercle extended dorsally as a broad membranous flap.
Anterior nostril with large opening equal to diameter of posterior nostril aperture and positioned closer to posterior nostril than to margin of upper lip; anterior margin flush with surface of snout, posterior rim with a long multifid (4-6 branches) cirrus about 3 times longer than diameter of either nasal opening and reaching beyond both upper lip and orbit margins.
fossoris-galapagensis in having a rigid maxilla that is not sexually dimorphic or dichromic and in lacking a supramaxilla, it is the only Atlantic species that has the subopercle broadly expanded distally and multifid nasal cirrus in adults.