Holmesina septentrionalis (Leidy, 1889)

Northern pampathere



Taxonomy & Nomenclature

Synonym/s: Glyptodon septentrionalis Leidy, 1889; Chlamytherium septentrionale (Leidy, 1889)


Conservation Status


Last record: Late Pleistocene



Florida, USA


Biology & Ecology










Original scientific description:

Leidy, J. (1889a). Fossil vertebrates from Florida. Proc. Acad. Nat. Sci. Philadelphia 1889: 96-97.


Other references:

Bravo-Cuevas, Victor Manuel and Jiménez-Hidalgo, Eduardo. (2018). Advances on the Paleobiology of Late Pleistocene mammals from central and southern Mexico, pp. 277-313. In: Huard, Gaeten and Gareau, Jeannine (eds.). The Pleistocene: Geography, Geology, and Fauna. New York: Nova Science Publishers.

Cahn, A. R. (1922). Chlamytherium septentrionalis, a fossil edentate new to the fauna of Texas. Jour. Mamm., III, pp. 22-24.

Castellanos, A. (1927). Breves notas sobre los clamidoterios. Centro Estud. de Ingeneria de Rosario. Pp. 1-8.

Faunmap working group. 1994 FAUNMAP: a database documenting late Quaternary distributions of mammal species in the United States. Illinois State Museum Scientific Papers 25(1-2), 1-690.

Hay, O. P. (1926). A collection of Pleistocene vertebrates from southwestern Texas. Proc. T. S. Nat. Mus., LXVIII, Art. 24, pp. 1-18.

Hulbert Jr., R. C. and Morgan, G. S. (1993). Quantitative and qualitative evolution in the giant armadillo Holmesina (Edentata: Pampatheriidae) in Florida, pp. 134-177. In: Martin, R. A. and Barnosky, A. D. (eds.). Morphologic Change in Quaternary Mammals of North America. Cambridge: Cambridge University Press.

Jull, A. J. T. et al. (2004). Radiocarbon dating of extinct fauna in the Americas recovered from tar pits. Nuclear Instruments and Methods in Physics Research B 223-224: 668-671.

Leidy, J. (1889b). Description of vertebrate remains from Peace Creek, Florida. Trans. Wagner Free Inst. Sci., Phila., II, pp. 19-31.

Lundelius, Ernest L., Jr. (2022). Pleistocene vertebrates from Stonewall County, Texas. In: Morgan, Gary S. et al. Late Cenozoic Vertebrates from the American Southwest: A Tribute to Arthur H. Harris. New Mexico Museum of Natural History and Science Bulletin 88: 233-257.

Sagebiel, J. Chris. (2022). Xenarthrans from the Nueces River fauna, Upper Pleistocene of Nueces County, Texas. In: Morgan, Gary S. et al. Late Cenozoic Vertebrates from the American Southwest: A Tribute to Arthur H. Harris. New Mexico Museum of Natural History and Science Bulletin 88: 225-231.

Sanders, T. A. (1994). Pleistocene and Holocene Remains from the Red River, Southwest Arkansas. Proc. Arkansas Acad. Sci. 48: 163-167.

Scillato-Yané G.J., Carlini A.A., Tonni E.P., Noriega J.I. 2005 Paleobiogeography of the late Pleistocene pampatheres of South America. Journal of South American Earth Sciences 20(1-2), 131-138.

Sellards, E. H. (1915). Chlamytherium septentrionalis, an edentate from the Pleistocene of Florida. Amer. Jour. Sci., (4) XL, pp. 139-145.

Simpson, George Gaylord. (1928). Pleistocene mammals from a cave in Citrus County, Florida. American Museum Novitates 328: 1-16.

Simpson, George Gaylord. (1929a). Pleistocene mammalian fauna of the Semmole Field, Pinellas County, Florida. Bull. Amer. Mus. Nat. Hist., LVI, pp. 561-599.

Simpson, George Gaylord. (1929b). The extinct land mammals of Florida. Ann. Rept. Fla. State Geol. Surv., XX, pp. 229-280.

Simpson, George Gaylord. (1930). Holmesina septentrionalis, extinct giant armadillo of Florida. American Museum Novitates 442: 1-10.

Smith F.A., Lyons S.K., Ernest S.K.M., Jones K.E., Kaufman D.M., Dayan T., Marquet P.A., Brown J.H., Haskell J.P. 2003 Body mass of late Quaternary mammals. Ecology 84(12), 3403-3403.


<< Back to the Cingulata (Armadillos) database