Sloth

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									Fla miocene

SLOTHS

this page was last updated 05/16/12

Sloths belong to the group called Xenarthrans, formerly called Edentata, including anteaters, glyptodonts, armadillos and sloths. Those from Florida evolved in South America. Most fossil xenarthrans have no enamel on their teeth, but the teeth continued to grow throughout the life of the animal so as to compensate for this.
There were basically three different types or genus of sloths in Florida, the mylodontids, the megalonychids, and the megatheres. The first includes the Thinobastides in the Miocene, and the small Glossotherium chapadmalense and the larger Paramylodon harlani. These are ones which have the straight, more rounded in cross-section claw cores.

The second group are the megalonychids which arrived in the late Miocene and lasted until the late Pleistocene. These start with the Pliometanastes and grow progressively larger through M. curvidens, (early Pliocene), leptostomus, (late Pliocene-early Pleistocene) M. wheatleyi, and M. jeffersonii. These sloths had more curved, flat claw cores, as did the eremotheres. In the teeth that follow, the smaller teeth are those of the earlier sloths.

The third type includes the enormous eremothere and the much smaller Nothrotheriops texanum. Both of these are relatively more scarce in Florida than the other two types. The large Eremotherium teeth are often found split in half. Indeed, all sloth teeth are fragile and need careful handling.

Sloth Tooth Megalonyx Columbia Co. FLSOLDf
2 5/8" $25 f1123
COMMENTS: well preserved, no damage, excellent occlusal surface, found in April, 2012

Sloth Tooth Megalonyx Columbia Co. FL
2" $20 order 1015
COMMENTS: well preserved

Giant Ground Sloth Tooth Paramylodon harlani Gilchrist Co. FL
2 3/4" $10 order f911
COMMENTS: some ancient damage to occlusal surface, but it is what it is.

Giant Ground Sloth Tooth Paramylodon harlani Gilchrist Co. FL
21/8" $15 order f897
COMMENTS: nice solid tooth

Sloth Tooth Megalonyx Taylor Co. FL
2 1/4" $25 order f894
COMMENTS: very nice

Sloth claw core Pleistocene Taylor Co. FLSOLDS
2 1/4" f1131

Sloth claw core Paramylodon Pleistocene, Dixie Co. FL|
2 3/4" $125 order f1130
COMMENTS: complete with no repair.

Sloth Palate Section Pleistocene Taylor Co. FL
3 1/2" $25 order f1129
COMMENTS: rare piece, well preserved

Sloth Knuckle Pleistocene Taylor Co. FL SOLDS
2 1/2" f1127

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									Fla miocene

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