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. 2013 Feb;108(1):1–12. doi: 10.1590/S0074-02762013000100001

TABLE I. Summary of studies on protozoa in extinct animalsa.

Protozoan Origin
(paleontological/archaeological site)
Period Host References
Archeococcidia antiquus sp. nov. Rampart Cave, Grand Canyon 10500 ± 180 BP Shasta ground sloth Schmidt et al. (1992)
Archeococcidia nothrotheriopsae sp. nov. (Arizona, USA) (Nothrotheriops shastensis)
Paleoleishmania proterus gen. nov., sp. nov. Burmese amber Early Cretaceous Sandfly Poinar & Poinar (2004)
Trypanosoma antiquus sp. nov. La Toca amber mine Mid-Tertiary Triatoma dominicana sp. nov. Poinar (2005a)
(Dominican Republic)
Plasmodium dominicana sp. nov. Dominican Republic amber Mid-Tertiary Culex mosquito Poinar (2005b)
Entamoebites antiquus Belgium Early Cretaceous Iguanodon Poinar & Boucot (2006)
Free living trypanosomatids Amber beds in Kachin (Burma) Early Cretaceous Sandfly larvae Poinar (2007)
Endamoebites proterus gen. nov. Burmese amber Early Cretaceous Termite Poinar (2009)
(Kalotermes burmensis sp. nov.)
Trichomonas gallinae-like protozoan North America Latest Maastrichtian Tyrannosaurids Wolff et al. (2009)
Eimeria lobatoi Perna I, São Raimundo Nonato 9000 BP Deer Ferreira et al. (1992)
(Piauí, Brazil)
Eimeria macusaniensis, Eimeria ivitaensis Peru 1000 BP Camelids Leguía et al. (1995)
(Lama glama, Lama alpaca)
E. macusaniensis Orejas de Burro 1 3978-3720 cal. year BP Camelids Fugassa & Barberena (2006)
Nombre de Jesús XVI century AD Camelids Fugassa & Guichón (2006)
Cerro Casa de Piedra 7 8000 BP Camelids Fugassa (2007)
Cerro Casa de Piedra Middle Holocene Felines Fugassa et al. (2009)
Uncertain human origin Beltrame et al. (2010)

a: all studies used microscopy as identification method, except for Wolff et al. (2009) who analysed erosive lesions; AD: Anno Domini; BP: before present.