Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Cyclostomata - (Order) Petromyzontiformes
Phylogeny
Current position
Historical positions
| Petromyzontiformes (Order) Berg, 1940 |
Ref:
W.N. Eschmeyer, 2004-2016: 24 Jan 2006.
|
| Petromyzontiformes (Order) Berg, 1940 |
Ref:
W.N. Eschmeyer & J.D. Fong, 2011: 26.
|
| Petromyzontiformes (Order) Berg, 1940 |
Ref:
J.S. Nelson, 2006: 25-26.
|
| Petromyzontiformes (Order) Berg, 1940 |
Ref:
N. Bailly et al., 2001: 358.
|
| Petromyzontiformes (Order) Berg, 1940 |
Ref:
2000
|
| Petromyzontiformes (Order) Berg, 1940 |
Ref:
W.N. Eschmeyer, 1998: [2449].
|
| Petromyzontiformes (Order) Berg, 1940 |
Ref:
R.L. Carroll, 1988: 596.
|
Number of Subtaxa