??????????

?????????? ; Temporal range: Late Oligocene -Recent, 30?0 Ma Pre? ? O S D C P T J K Pg N Possible an early origin based on molecular clock
	????????????????????? ???????????? ???????? ??????????????
?????????????????????
????:	Animalia
?????????????:	Chordata
???????????:	Aves
????????:	Pelecaniformes
?????????:	Pelecanidae ; Rafinesque , 1815
???????:	Pelecanus ; ?????????? , ????
?????????? ?????????
	??????????? ??????????????? ; ??????????? ????
?????????
	????????? (?)??? ? ?? ??? ????????

?????????? ( ????????? : Pelican ) ?????? Pelecanidae ??????????? ????????????? ?????????? ??????????? ??????????????????? ????????? ??????????? ????????????????? ???????????????????? ????????????????????????????? ???????????????????????????? ?????????? ?????????????????? ????? ????????????????????? ??????????? ????????? ????? ????? ???????????????????? ??????????????????????? ???????????????? ???????????????? ????????????????????????? ???????????????????????? ????????????? ???????????????? ???????????????? ????????????? ??????????????????????????????? ??????????????????? ???????????? ????????????? ??????????????? ??????????????? ???????????? ?????????????????? ??????????? ?????????????????????????????? ???????????????????????? ????????????? ??????????????????????????? ?????????

???????????? ????????????????????? [ ?????????? ]

????????? Pelecanidae
- ??????? ( ????????? : Great white pelican ) - Pelecanus onocrotalus
- ????????? ?????????? ( ????????? : Pink-backed pelican ) - Pelecanus rufescens
- ????????? ( ????????? : Spot-billed pelican ) - Pelecanus philippensis
- ?????????????? ( ????????? : Dalmatian pelican ) - Pelecanus crispus
- ??????? ?????????????? ( ????????? : Australian pelican ) - Pelecanus conspicillatus
- ???????? ????????? ( ????????? : American white pelican ) - Pelecanus erythrorhynchos
- ????????? ( ????????? : Brown pelican ) - Pelecanus occidentalis
- ????? ?????????? ( ????????? : Peruvian pelican ) - Pelecanus thagus

Suliformes

??????????????????? ??????????????

	Herons (Ardeidae)

	Ibises and spoonbills (Threskiornithidae)

	Hamerkop ( Scopus umbretta )

	Shoebill ( Balaeniceps rex )

?????????????? ( Pelecanus )

Cladogram based on Hackett et al. (2008). ^[?]

????????? ??????????? ?????????????

Hamerkop

Shoebill

Evolutionary relationships among the extant species based on Kennedy et al. (2013).

	P. crispus

	P. philippensis

P. rufescens

P. conspicillatus

P. onocrotalus

	P. occidentalis

	P. thagus

P. erythrorhynchos

??????? [ ?????????? ]

↑ "The Earliest Known Pelican Reveals 30 Million Years of Evolutionary Stasis in Beak Morphology" (2011). Journal of Ornithology 150 (1): 15?20. doi : 10.1007/s10336-010-0537-5 .
↑ " An unbiased molecular approach using 3'UTRs resolves the avian family-level tree of life. " (2020). Molecular Biology and Evolution 38 : 108?127. doi : 10.1093/molbev/msaa191 . PMID 32781465 .
↑ "A Phylogenomic Study of Birds Reveals Their Evolutionary History" (2008). Science 320 (5884): 1763?68. doi : 10.1126/science.1157704 . PMID 18583609 . Bibcode : 2008Sci...320.1763H .

? ????????? ??????????? ???????????? ???????????? ??????? ???????? ???????????????????? ????? ?????????????????????? ???????

[Louchart2010-1] "The Earliest Known Pelican Reveals 30 Million Years of Evolutionary Stasis in Beak Morphology" (2011). Journal of Ornithology 150 (1): 15?20. doi : 10.1007/s10336-010-0537-5 .

[Kuhletal2020-2] " An unbiased molecular approach using 3'UTRs resolves the avian family-level tree of life. " (2020). Molecular Biology and Evolution 38 : 108?127. doi : 10.1093/molbev/msaa191 . PMID 32781465 .

[Hackett2-3] "A Phylogenomic Study of Birds Reveals Their Evolutionary History" (2008). Science 320 (5884): 1763?68. doi : 10.1126/science.1157704 . PMID 18583609 . Bibcode : 2008Sci...320.1763H .

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