Axial and caudal skeleton: Fourteen abdominal vertebrae and 16 caudal vertebrae, including second ural centrum.
Dorsal fin supported by 21 anteroposteriorly expanded pterygiophores (seven spinous, 14 soft ray); one supraneural
anterior to the first and second neural spines. Supraneural and pterygiophore insertion formula 0/0/1+1/1/1/1/1/1/1/1/1/2/
1/2/3/2. Anal fin supported by 12 anteroposteriorly expanded pterygiophores, first three inserting anterior to haemal
spine of first caudal (15th) vertebra.