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<==o Todidae (todies; todit) |--o †Palaeotodus | |-- †P. emryi | |-- †P. escampsiensis | `-- †P. itardiensis `--o Todus (todit) |-- T. multicolor (kuubantodi) |-- T. angustirostris (kaitanokkatodi) |-- T. todus (jamaikantodi) |-- T. mexicanus (puertoricontodi) `-- T. subulatus (leveänokkatodi)
Feduccia, A., 1997: The Origin and Evolution of Birds.
--Yale University Press, Hew Haven, 1996,
Olson, S. L., 1985: The fossil record of birds. 79-239.
in Farner, D., King, J. & Parkes, K. (eds.), 1985: Avian Biology. vol VIII.
–Academic Press, New York. 1985.
Sibley, C. G. & Monroe, J., BL. 1990: Distribution and taxonomy of birds of the world.
–Yale University Press, New Haven & London, 1990. XXIV-1111.
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