Main Ref. | Sabelli, B. and H.S. Feinberg (eds.), 1879 |
Appearance refers to |
specialized organs | |
different appearance | |
different colors | |
remarks |
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 |
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 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes |
spines | |
soft-rays | |
Pelvics | Attributes |
Position | |
spines | |
soft-rays |