Evolution and Systematics
Discussion of Phylogenetic Relationships
Phylogenetic hypothesis based on Hackett et al. (2008).
Traditionally, Pelecaniformes also includes the family Phaethontidae (tropicbirds), which is only distantly related to the other families. Several families included here are traditionally considered to belong to Ciconiiformes: Threskiornithidae, Ardeidae, Balaeniceps, and Scopus (Hackett et al. 2008).
Molecular Biology and Genetics
Statistics of barcoding coverage
Specimen Records: 293
Specimens with Sequences: 264
Specimens with Barcodes: 257
Species With Barcodes: 40
Public Records: 216
Public Species: 34
Public BINs: 32
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