Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Pelecaniformes

Current position

Fregatoidea (Superfamily) Degland & Gerbe, 1867

Ref: B.C. Livezey & R.L. Zusi, 2007: 91.

Alternative positions

Fregatae (Suborder) Sharpe	Ref: R.L. Carroll, 1988: 626.
Pelecaniformes (Order) Sharpe, 1891	Ref: W.J. Bock, 1982: 973.
Procellarioidea (Superfamily) Fürbringer, 1888	Ref: B.L. Monroe Jr. & C.G. Sibley, 1993: 133.

Historical positions

Fregatoidea (Superfamily) Degland & Gerbe, 1867	Ref: B.C. Livezey & R.L. Zusi, 2007: 91.
Pelecaniformes (Order) Sharpe, 1891	Ref: E.C. Dickinson, 2003: [22], 89; 17. [implicit]
Pelecaniformes (Order) Sharpe, 1891	Ref: 1995
Procellarioidea (Superfamily) Fürbringer, 1888	Ref: B.L. Monroe Jr. & C.G. Sibley, 1993: 133.
Fregatae (Suborder) Sharpe	Ref: C.M. Perrins, 1991 (1990): 19, 368.
Fregatae (Suborder) Sharpe	Ref: R.L. Carroll, 1988: 626.
Pelecaniformes (Order) Sharpe, 1891	Ref: R.C. van Caenegem et al., 1979-1984
Pelecaniformes (Order) Sharpe, 1891	Ref: W.J. Bock, 1982: 973.
Pelecani (Suborder) Sharpe, 1891	Ref: E. Mayr & G.W. Cottrell, 1979
Pelecaniformes (Order) Sharpe, 1891	Ref: T.I. Storer et al., 1979
Pelecaniformes (Order) Sharpe, 1891	Ref: B. Grzimek et al., 1973 (1968): 574.
Fregatae (Suborder) Sharpe	Ref: P. Brodkorb, 1963: 268.

Number of Subtaxa

2024	Available in Systema Naturae 2000	1g;5s;8ss
1989-present	Systema Naturae 2000: 7 May 2015	[1g;5s;8ss]
2003	E.C. Dickinson: [22], 89	1g;5s;[8ss]
1993	B.L. Monroe Jr. & C.G. Sibley	1g;5s
1991 (1990)	C.M. Perrins	[1g;5s]
1982	W.J. Bock	1g;5s