Etmopterus spinax

Naamgeving

name	Negrito
name	SQUAL Etmo 2
name	Velvet belly
name	Sagre commun
Valid name	Etmopterus spinax
Synonym	Spinax linnei Malm, 1877
Synonym	Etmopterus aculeatus Rafinesque, 1810
Synonym	Squalus (Acanthias) infernus Blainville, 1825
Synonym	Spinax gunneri Reinhardt, 1825 (1828?)
Synonym	Squalus niger Gunnerus, 1762

Indeling

• Chordata  [phylum] Chordates
  • Vertebrata  [subphylum] Vertebrates
    • Gnathostomata  [superclass] Gnathostomes
      • Chondrichthyes  [class] Chondrichthians
        • Elasmobranchii  [subclass] Elasmobranchs
          • Squalomorphii  [superorder]
            • Squaliformes  [order]
              • Squalidae  [family] Dogfish sharks
                • Etmopterus  [genus]
                  • Etmopterus spinax  [species] Velvet belly