. . . . . . . . . . . . . . . "Length standard deviation of Syngnathidae (ITIS: 166443: WoRMS 125606)"@en . "accepted"@en . "SDN:P01::BLSDOX54" . . "SD_Length_BE005409" . . "The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement."@en . . . . . .