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 | |
Diagnose | Shell: thin and strong, low spire, breadth more than double the height, whorls are only slightly convex, almost flat, sutures deeply incised; flat base has a fairly wide and deep umbilicus surrounded by a nodular swelling; thin aperture lip is nearly square in shape; sculpture of the body whorl consists of a broad and slightly raised band running below the suture and two narrower and more raised bands at the periphery, with another three on the basal side; all bands are granular as they intersect with the growth lines, which are fairly incised; coloration is light brown on either side of white stripes, following the bands of the sculpture; operculum is horny, dark brown, slightly spiral, roughly central nucleus and with a tubercle on the inner surface. Body: radula is ptenoglossan, without a rachidial tooth and with fourteen pairs of lateral teeth. |
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 | |
insgesamt | |
Wirbelzahl | |
preanal | |
insgesamt |
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 |