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Identified by Richard Hulbert as a Glyptodon Astragalus. One of two, to his knowledge, that were found as of the time of collection of this specimen. Notable features include a shape comparable to the astragalus of the Giant Armadillo - Holmesina, with overall larger features to account for the greater size in G. floridanum. Reference: Simpson, George Gaylord. (1929). Pleistocene mammalian fauna of the Seminole Field, Pinellas County, Florida. Bulletin of the American Museum of Natural History 56: 561-599.
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From the album: BONES
This is a Pleistocene camelid ankle bone, the astragalus. These bones may preserve when other postcranial bones are lost because they are dense, with minimum vascularization. Based on size, I think this astagalus is from either Hemiauchenia sp. or from Palaeolama mirifica. There may be a way to distinguish between the astragali of these two taxa, but I don't know what those characteristics are. Help me out if you can. Infraorder TYLOPODA . . . . . . . . . . . . . . . Superfamily CAMELOIDEA . . . . . . . . . . . . Family CAMELIDAE [camels, llamas] . . . . . . . . . . . . . . . . Subfamily AEPYCAMELINAE [giraffe camels] . . . . . . . . . . . . (several gen. and sp.) . . . . . . . . Subfamily FLORIDATRAGULINAE . . . . . . . . . . . . . . . . . . . Floridatragulus sp. [two species] Subfamily CAMELINAE . . . . . . . . . . . . .Tribe LAMINI [llamas] . . . . . . . . . . . . . . . . . . . . . . Hemiauchenia sp. [five species] . . . . . . . . . . . . . Palaeolama mirifica . . . . . . . . . . . . . . . .Tribe CAMELINI [camels] . . . . . . . . . . . . . . . . . . . . . . Procamelus sp. [two species] . . . . . . . . . . . . . Megatylopus sp.© Harry Pristis 2014
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- toe bone
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Hi, This was an unusual beach find in Tampa Bay, Florida. I thought it was a vertebrae of some kind so I tossed it in my bucket. When I was going through my Florida Fossil book looking at horse teeth one day, I saw a horse ankle bone that resembled my find. It's very hard, light probably because it is hollow; but doesn't appear to be mineralized. I'm not sure it is a fossil, but I also don't know how it could be modern. What is it?
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- florida
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