Main Ref. | Kramp, P.L., 1961 |
Appearance refers to |
specialized organs | |
different appearance | |
different colors | |
remarks |
Striking features | |
Body shape lateral | |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Diagnosis | 40 cm wide, highly arched, exumbrella smooth; in each octant 8 to 10 velar lappets, elongate with rounded outer edges and deep slefts; arm-disk very wide; moutharms about as long as bell radius, distal 3 winged portion as long as proximal simple portion; distal portion pyramidal, with many small club-chaped and some long filamentous appendages; extracircular canal system fine-meshed, not extending into the velar lappets; intracircular system with comparatively few meshes, partly elongated, radiating. |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes |
spines | |
soft-rays | |
Pelvics | Attributes |
Position | |
spines | |
soft-rays |