TABLE 1. Fossil calibrations within the waterbird assemblage.
Calibration
|
Node
|
Taxon
|
Specimen
|
Geological Context
|
Minimum Age
|
1 |
Phaethontidae + extant sister taxon |
Lithoptila abdounensis |
OCP.DEK/GE 1087 |
Bed IIa, Ouled Abdoun Basin, Morocco |
56.0 Ma |
2 |
Threskiornithidae + extant sister taxon |
Rhynchaeites sp. |
MGUH 20288 |
Fur Formation, NE Denmark |
53.9 Ma |
3 |
Pelecanidae + extant sister taxon |
Pelecanus sp. |
NT-LBR-039 |
Pichovet limestone deposits, SE France |
28.1 Ma |
4 |
Fregatidae + Suloidea |
Limnofregata azygosternon |
USNM 22753 |
Green River Formation, Wyoming, USA |
51.81 Ma |
5 |
Phalacrocoracidae + Anhingidae |
?Borvocarbo stoeffelensis |
PW 2005/5022-LS |
Enspel Lagerstätte, W Germany |
24.52 Ma |