Naamgeving
| name | Pailona | 
| name | SQUAL Centros 1 | 
| name | Portuguese dogfish | 
| name | Pailona commun | 
| Valid name | Centroscymnus coelolepis | 
| Synonym | Scymnodon melas Bigelow, Schroeder and Springer, 1953 | 
Indeling
- 
																
									Chordata
								 [phylum]
								Chordates								
- 
																	
									Vertebrata
								 [subphylum]
								Vertebrates								
- 
																	
									Gnathostomata
								 [superclass]
								Gnathostomes								
- 
																	
									Chondrichthyes
								 [class]
								Chondrichthians								
- 
																	
									Elasmobranchii
								 [subclass]
								Elasmobranchs								
- 
																	
									Squalomorphii
								 [superorder]
												
- 
																	
									Squaliformes
								 [order]
												
- 
																	
									Squalidae
								 [family]
								Dogfish sharks								
- 
																	
									Centroscymnus 
								 [genus]
												
- Centroscymnus coelolepis [species] Portuguese dogfish
 
 
 - 
																	
									Centroscymnus 
								 [genus]
												
 
 - 
																	
									Squalidae
								 [family]
								Dogfish sharks								
 
 - 
																	
									Squaliformes
								 [order]
												
 
 - 
																	
									Squalomorphii
								 [superorder]
												
 
 - 
																	
									Elasmobranchii
								 [subclass]
								Elasmobranchs								
 
 - 
																	
									Chondrichthyes
								 [class]
								Chondrichthians								
 
 - 
																	
									Gnathostomata
								 [superclass]
								Gnathostomes								
 
 - 
																	
									Vertebrata
								 [subphylum]
								Vertebrates