Morphology Summary - Psednos kaganovskii
Morphology Data of Psednos kaganovskii
Identification keys
Abnormalities
Main Ref. Prokofiev, A. M. and A.M. Orlov, 2025
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  (shape guide) elongated
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Diagnosis. Vertebrae 47; D 39; A 35; pectoral fin rays 15; single notch ray; strong spinal hump; keeled gular area; unmodified gill rakers; three round pectoral radials; lacking interradial fenesta, widely spaced second and third radials; small foramen piercing basal lamina anterior to scapula; heavily pigmented stomach, pyloric caeca and anterior half of intestine, and mottled posterior part of intestine. It belongs to the Psednos christinae species–group, but differs from all other species in this group by having a larger eye (35.7% of head length), heavily pigmented gastrointestinal duct, pectoral girdle structure, and a combination of other characters. (Ref. 138155).

Ease of Identification

Meristic characteristics of Psednos kaganovskii

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 47 - 47

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 39 - 39
Adipose fin

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 36 - 36

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   15 - 15
Pelvics Attributes  
Position    
Spines     
Soft-rays   
(e.g. 9948)
(e.g. oophagy)
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