Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Cyclostomata - (Order) Petromyzontiformes - (Family) Petromyzontidae

Original position

Nantes (Order) Linnaeus, 1758

Current position

Petromyzontinae (Subfamily)

Ref: J.S. Nelson, 2006: 26.

Alternative positions

Nantes (Order) Linnaeus, 1758	Ref: [von] Linné, C., 1766: 394.
Petromyzoninae (Subfamily)	Ref: B. Grzimek et al., 1974: 531.
Petromyzontidae (Family) Bonaparte, 1832	Ref: N. Bailly et al., 2001: 358.

Historical positions

Petromyzontinae (Subfamily)	Ref: J.S. Nelson, 2006: 26.
Petromyzontidae (Family) Bonaparte, 1832	Ref: N. Bailly et al., 2001: 358.
Petromyzontidae (Family) Bonaparte, 1832	Ref: 2000
Petromyzontinae (Subfamily)	Ref: W.N. Eschmeyer, 1998: [2449]. [validity questionable]
Vertebrata (Phylum) (Lamarck, 1801)	Ref: C. Nielsen, 1995
Chordata (Phylum) Bateson, 1885	Ref: L. Margulis & K.V. Schwartz, 1982: 239. [rough position]
Petromyzonidae (Family) Bonaparte, 1831	Ref: R.A. Fritzsche & L. Fuiman, 1982: 831.
Petromyzontiformes (Order) Berg, 1940	Ref: T.I. Storer et al., 1979
Petromyzoninae (Subfamily)	Ref: B. Grzimek et al., 1974: 531.
Hyperoartia (Class) (Müller, 1844)	Ref: E.R. Lankester, 1877: 450. [rough position]
Nantes (Order) Linnaeus, 1758	Ref: C. a Linné, 1766: 349, 394.
Nantes (Order) Linnaeus, 1758	Ref: C. Linnaeus, 1758: 196, 230. [new position]

Number of Subtaxa

2024	Available in Systema Naturae 2000	1s
1989-present	Systema Naturae 2000	[1s]
1990-present	R. Froese & D. Pauly: 26 Sep 2005	[1s]
2004-2016	W.N. Eschmeyer: 2 Oct 2012	[1s]
2006	J.S. Nelson: 26	[1s]
2006	J.S. Nelson: 26	[1s]
1758	C. Linnaeus	[3s]