Morphology data of Nassarius gibbosulus
Identification keys
Main Ref. Sabelli, B. and H.S. Feinberg (eds.), 1879
Appearance refers to

Sex attributes

specialized organs
different appearance
different colors
remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Diagnosis Shell: quite thick and strong, a rather high conical spire, short siphonal canal, open and twisted; body whorl is very large, spherical, covering much of the preceding one, involute, suture is hardly incised; aperture is ovoidal, outer lip has an external thickening and thin internal folds; in adults, columellar lip forms a large callus that completely covers the ventral surfaces of the body whorl; no sculpture except for a rib with one, two of three hardly visible blunt nodules, on the periphery of the dorsal surface of the body whorl; color is yellowish or yellow brown, callus and lips are white; operculum is horny, yellowish, has an apical nucleus, roughly triangular, fringed inner and outer margins. Body: wide triangular foot, many nassariids, two appendices at the posterior end; very long mantle siphon; radula is rachiglossan.
Ease of Identification

Meristic characteristics of Nassarius gibbosulus

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

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   
Ref. [ e.g. 3742]
Glossary [ e.g. cnidaria]
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