| Main Ref. | Sabelli, B. and H.S. Feinberg (eds.), 1879 |
| Utseende refererar till |
| specialiserade organ | |
| annat utseende | |
| andra färger | |
| Anmärkningar |
| Särskilt slående egenskaper | |
| Lateral kroppsform | |
| Tvärsnitt | |
| Dorsal profil av huvudet | |
| Ögontyp | |
| Typ av mun/snyte | |
| Munnens placering | |
| Diagnos | Shell: quite thick, fairly short, conical spire with slightly convex whorls, impressed suture, elongated oval in shape; first turns of the shell are heterostrophe (i.e., the axis of coiling forms an angle to the adult shell's columella; very elongated oval aperture, with a thin and sharp outer lip, columellar lip has a light callus and a deep fold at the base; sculpture consists of thin spiral grooves more marked toward the posterior and anterior edges of the whorls; pink hazel in color, with one or two whitish spiral bands; operculum is horny, pale yellow and transparent. Body: very wide foot, differentiated anteriorly into a podium; head broadens into a cephalic disc which has two lateroposterior lobes, incorrectly called tentacles; eyes are sessile; gill, osphradium and penis are inside the mantle cavity; radula lacks rachidial teeth and has a very large number of lateral teeth. |
| Ease of Identification |
| Sidolinjer | avbruten: No |
| Fjäll längs sidolinje | |
| Porbärande fjäll längs sidolinje | |
| Fjäll i lateralserie | |
| Antal rader fjäll ovan sidolinje | |
| Antal rader fjäll under sidolinje | |
| Fjäll runt stjärtfensspole | |
| Skäggtömmar | |
| Gälspringor (endast hos hajar/rockor) | |
| Gälräfständer | |
| på undre del av gälbåge | |
| på övre del av gälbåge | |
| totalt | |
| Ryggkotor | |
| preanal | |
| totalt |
| Egenskaper | |
| Antal fenor | |
| Antal småfenor | ryggfena |
| Ventral | |
| Totalt antal hårda fenstrålar | |
| Totalt antal mjuka fenstrålar | |
| Fettfena |
| Egenskaper |
| Antal fenor | |
| Totalt antal hårda fenstrålar | |
| Totalt antal mjuka fenstrålar |
| Bröstfena | Egenskaper |
| Fenstrålar hårda | |
| Fenstrålar mjuka | |
| Bukfenor | Egenskaper |
| Position | |
| Fenstrålar hårda | |
| Fenstrålar mjuka |