Morphology Data of Megalonema orixanthum
Identification keys
Abnormalities
Main Ref. Lundberg, J.G. and W.M. Dahdul, 2008
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance males alike females
Different colors males alike females
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales
Diagnosis

Vertebrae including the Weberian complex (Ref. 79495).

Ease of Identification

Meristic characteristics of Megalonema orixanthum

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 20 - 21
on upper limb 6 - 8
total 28 - 29
Vertebrae
preanal 16 - 18
total 43 - 45

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 1 - 1
Soft-rays total 7 - 7
Adipose fin present

Caudal fin

Attributes forked

Anal fin(s)

Fins number
Spines total
Soft-rays total 12 - 15

Paired fins

Pectoral Attributes  
Spines     1
Soft-rays   11 - 13
Pelvics Attributes  
Position    abdominal  behind origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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