Georgimarinus barbatus
Georgimarinus barbatus is a lumpsucker of Cyclopteridae found in north Pacific Ocean. This species is characterized by the following unique apomorphies: teeth in the outer row at symphysis of premaxillae fuse with premaxillae, teeth at symphysis of dentary fuse among themselves and with dentary, forming the regular cutting edge; there are numerous barbs on the head and body; the bony plaques located in centers of connective tissue tubercles leaving the edges free. This species is the only known member of its genus, but it has traditionally been included in "Eumicrotremus".