1086 . 
Sub Order Taeniosomi 
Body elongate, strongly compressed, band like. Mouth parts 
normal, cleft slightly. Dentition feeble. Gill openings wide. Skel¬ 
eton feebly ossified, bones thin and soft. No occipital crest. Post- 
temporal simple. Orbitosphenoid present. Lower pharyngeals rod-like, 
parallel with branchial arches or absent. Sectoral fin rays inserted 
on scapule and on 3 pterygiels, 2 or all in contact with coracoid. 
Pectoral girdle present, not articulated to coracoid. Vertebrae 90 to 
vO, ri '-'3 feeble or absent, Scales absent. F’ins of flexible non—artic¬ 
ulated rays, sometimes first dorsal ray spinous. Dorsal very long. 
Anal short or absent. Caudal, when present rudimentary, or not in 
longitudinal axis of body. 
Analysis of Families 
aJ No anal fin; vent median in very elongate body, 
Trachipteridae . 
2 === 
Anal very short; vent postmedian, far back. Lophotidae. 
