nasal spines

na·sal spines

(nā'zăl spīnz)
Anterior nasal spine, posterior nasal spine, and nasal spine of frontal bone.
References in periodicals archive ?
borealis reach 10 cm standard length and lack distinct postocular spines, possess a long cirrus at the base of the nasal spine, the first or second dorsal-fin spines are not longer than the third or fourth, and the two rows of ctenoid scales below the dorsal fins extend onto the caudal peduncle (Bolin, 1936; Mecklenburg et al.