Morphology Data of Barathronus roulei
Identification keys
Abnormalities
Main Ref. Nielsen, J.G., 2019
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished from its congeners by the following set of characters: D 71, A 66; precaudal vertebrae 34, total 82; origin of dorsal fin above vertebra 29; anterior gill arch with 26 long rakers; peritoneum dark; paired bulbs at basis of penis not developed; no ventral flexure of anteriormost vertebrae; vomer with one fang in each side and 2–3 small, pointed teeth in between (Ref. 121928).

Ease of Identification

Meristic characteristics of Barathronus roulei

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 34 - 34
total 82 - 82

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 71 - 71
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 66 - 66

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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