| Main Ref. | Conand, C., 1998 |
| 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 | Maximum width: 10 cm (Ref. 418). Body wall thickness: 0.6 cm. Body elongate, arched dorsally (bivium and flattened ventrally (trivium). Bivium sometimes wrinkled; wider in the middle; and tapering towards both ends. Papillae on bivium long and slender. Podia numerous on trivium, stout and crowded on the radii and interadii; calcareous disc of podia around 500 micrometer in diameter. Mouth ventral, surrounded by 25 short and stout tentacles, with a large collar of long papillae at their base. Anus surrounded by 25 stout anal teeth. Calcareous ring showing large radial pieces and interradials with triangular top. Cuvierian tubules few (10), short pink, and never expelled. Color of bivium variable, usually dark brown, with more or less distinct whitish spots. Trivium grains, rods bearing small spines, and denticulate pseudo-plates; dorsal tegument without grains, but with rosettes and denticulate rods; podia with some spinous rods and large rosettes. Tentacles with large rods bearing small spines. |
| Ease of Identification | likely to be confused with closely related species. |
| 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 |