Morphology Data of Diaphenchelys laimospila
Identification keys
Abnormalities
Main Ref. Huang, W.-C., D.G. Smith, K.-H. Loh and T.-Y. Liao, 2021
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 oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This moderately sized, elongate species is distinguished by the following: tail very long, more than twice its trunk length, compressed posteriorly, tip pointed; snout blunt, nasal cavity somewhat enlarged; eyes well anteriorly placed, closer to tip of snout than corner of mouth; supraorbital pores 3, infraorbital pores 3, preoperculo-mandibular pores 6; maxillary teeth biserial, dentary teeth uniserial or biserial anteriorly. Colouration: ground color of body pale brown, with whitish spots scattered on head, body, and dorsal fin, scarcely perceptible on snout, anal fin and posterior part of tail; caudal fin semi-transparent, fins on posterior part of tail with dark brown margin; vertebrae, predorsal 4, preanal 45, total 125-131. (Ref. 123899).

Ease of Identification

Meristic characteristics of Diaphenchelys laimospila

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 45 - 45
total 125 - 131

Fins

Dorsal fin(s)

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

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

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