| Ref. principal | Compagno, L.J.V., D.A. Ebert and M.J. Smale, 1989 |
| Aparência refere-se a | |
| Bones in OsteoBase |
| órgãos especializados | |
| aparência diferente | |
| cores diferentes | |
| Notas |
| Características determinantes | |
| Forma lateral do corpo (shape guide) | elongated |
| Secção transversal | compressed |
| Perfil dorsal da cabeça | |
| Tipo de olhos | |
| Tipo de boca/focinho | other (see Diagnosis) |
| Posição da boca | sub-terminal/inferior |
| Tipo de balança | placoid scales |
| Diagnose |
Diagnosis: A heavily-bodied sawfish with a short but massive saw which is broad-based, strongly tapering and with 14-22 very large teeth on each side; space between last 2 saw-teeth on sides less than 2 times space between first 2 teeth (Ref. 5578). Pectoral fins high and angular, 1st dorsal fin mostly in front of pelvic fins, and caudal fin with pronounced lower lobe (Ref. 5578). Description: Body shark-like; head and forebody depressed; caudal region compressed (Ref. 52193). Saw relatively short and broad, length 5 times width of base in mature specimens, 17-22 widely spaced teeth on either side (Ref. 52193). Mouth ventral, straight, numerous small teeth in bands; gill slits underneath, behind origin of pectoral fins (Ref. 52193). Pectoral fins large, triangular, extending onto the sides of the head; 2 dorsal fins, origin of first dorsal fin well in front of origin of pelvic fins; anal fin absent; caudal fin with distinct lower lobe (Ref. 52193). Colouration: Greenish, grey, olive or golden-brown above, dirty cream below (Ref. 5578, 52193). |
| Facilidade de identificação |
| Linhas laterais | interrompido: No |
| Escamas na linha lateral | |
| Escamas da linha lateral com poros | |
| Escamas em séries laterais | |
| Fileiras de escamas acima da linha lateral | |
| Fileiras de escamas abaixo da linha lateral | |
| Escamas em torno do pedúnculo caudal | |
| Barbilhões | |
| Fissuras branquiais (tubarões/raias apenas) | 5 |
| Raios branquiais | |
| no membro inferior | |
| no membro superior | |
| total | |
| Vértebras | |
| Pré-anal | |
| total |
| Atributos | |
| Número de barbatanas | 2 |
| No. de pínulas | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Total de espinhos | 0 - 0 |
| Total de raios moles | |
| Barbatana adiposa | absent |
| Atributos | more or less truncate; more or less normal |
| Número de barbatanas | |
| Total de espinhos | 0 - 0 |
| Total de raios moles | 0 - 0 |
| Peitoral | Atributos more or less normal |
| espinhos 0 | |
| Raios moles | |
| Pélvica | Atributos more or less normal |
| posição abdominal behind origin of D1 | |
| espinhos 0 | |
| Raios moles |