Simomylodon

Simomylodon is an extinct genus of ground sloths from the family Mylodontidae. It lived from the Late Miocene to the Middle Pliocene of what is now Bolivia and Argentina, 5.3 to 2.8 million years ago. The most important find material comes from the central Altiplano in Bolivia and includes several skulls and dentition remains. Thus, the so far documented body skeleton is the best known and most significant of a Miocene representative of the Mylodontidae. On the basis of the remains, it can be concluded that it is a rather small member of the Mylodontidae. The construction of the limbs supports ground-dwelling locomotion, but this does not exclude occasional digging or climbing. The type and only known species is Simomylodon uccasamamensis.

No picture of Simomylodon was found. Wikipedia, Wikidata and iDigBio were searched and had none. Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Simomylodon, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
MylodontinaePBDB
Diet
herbivorePBDB, for Mylodontidae
Life habit
ground dwellingPBDB, for Mylodontidae
Motility
actively mobilePBDB, for Osteichthyes
Environment
terrestrialPBDB, for Eutheria

Time the record covers

At least 10 million years on record.

The record covers at least 13.8 Mya to 3.8 Mya. No occurrence read is dated outside 15.5 Mya to 2.58 Mya.

Miocene — about 3 of 9 occurrencesMiocenePliocene — about 6 of 9 occurrencesPliocenePleistocene — about 0 of 9 occurrences16–15 Mya — about 0.3 occurrences15–15 Mya — about 0.3 occurrences15–14 Mya — about 0.3 occurrences14–14 Mya — about 0.2 occurrences12–11 Mya — about 0.1 occurrences11–11 Mya — about 0.2 occurrences11–10 Mya — about 0.2 occurrences10–10.0 Mya — about 0.2 occurrences10.0–9.5 Mya — about 0.2 occurrences9.5–9.0 Mya — about 0.2 occurrences9.0–8.6 Mya — about 0.2 occurrences8.6–8.1 Mya — about 0.2 occurrences8.1–7.6 Mya — about 0.2 occurrences7.6–7.2 Mya — about 0.2 occurrences7.2–6.7 Mya — about 0.2 occurrences6.7–6.3 Mya — about 0.2 occurrences6.3–5.8 Mya — about 0.2 occurrences5.8–5.3 Mya — about 0.2 occurrences5.3–4.9 Mya — about 0.6 occurrences4.9–4.4 Mya — about 1 occurrence4.4–3.9 Mya — about 1 occurrence3.9–3.5 Mya — about 1 occurrence3.5–3.0 Mya — about 1 occurrence3.0–2.5 Mya — about 0.1 occurrences13.8 Mya3.8 Mya16 Mya2.1 Mya

9 occurrences of Simomylodon on record, most of them in the Pliocene. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.

When

9 occurrences

These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.

Found in

6 formations

Umala — 18.35°S, 67.93°WUmala — 17.08°S, 68.00°WTafna — 21.99°S, 65.88°WRosa Pata — 18.05°S, 67.88°WCasira — 22.02°S, 65.83°WDescanso — 14.80°S, 71.41°WChoquecota — 18.10°S, 67.92°W

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The named rock units Simomylodon has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.

Simomylodon and its relatives

Pliocene

Where Simomylodon and its relatives were recorded in the Pliocene.

Found in the same rock

30 taxa

The Paleobiology Database records 7 sites for Simomylodon, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.

This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.

Entered from

5 references

Each of the 9 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. Each entry links to doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content0

No picture of Simomylodon was found. Wikipedia, Wikidata and iDigBio were searched and had none.

Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.

GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Simomylodon, or no answer at all. This entry cannot say which.

No 3D scan of Simomylodon was found in Sketchfab.

Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.

The description on this site

Licence
CC BY-SA 4.0

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itMylodontinae through timeFormations of the PlioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Saint-André et al. 2010