Downsimus

No picture of Downsimus 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 Downsimus, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
ProsciurinaePBDB
Diet
herbivorePBDB, for Aplodontiidae
Life habit
fossorialPBDB, for Aplodontiidae
Motility
actively mobilePBDB, for Osteichthyes
Environment
terrestrialPBDB, for Eutheria

Time the record covers

At least 4.8 million years on record.

The record covers at least 29.5 Mya to 24.7 Mya. No occurrence read is dated outside 31.8 Mya to 18.5 Mya.

Oligocene — about 8 of 9 occurrencesOligoceneMiocene — about 1 of 9 occurrencesMiocene32–31 Mya — about 0.2 occurrences31–31 Mya — about 0.2 occurrences31–30 Mya — about 0.2 occurrences30–30 Mya — about 0.2 occurrences30–29 Mya — about 0.2 occurrences29–29 Mya — about 0.5 occurrences29–28 Mya — about 0.5 occurrences28–28 Mya — about 0.5 occurrences28–28 Mya — about 0.5 occurrences28–27 Mya — about 0.5 occurrences27–27 Mya — about 0.5 occurrences27–26 Mya — about 0.5 occurrences26–26 Mya — about 0.5 occurrences26–25 Mya — about 0.5 occurrences25–25 Mya — about 0.5 occurrences25–24 Mya — about 0.4 occurrences24–24 Mya — about 0.4 occurrences24–23 Mya — about 0.4 occurrences23–23 Mya — about 0.2 occurrences23–22 Mya — about 0.1 occurrences22–22 Mya — about 0.1 occurrences22–21 Mya — about 0.1 occurrences21–21 Mya — about 0.1 occurrences21–20 Mya — about 0.1 occurrences20–20 Mya — about 0.1 occurrences20–19 Mya — about 0.1 occurrences19–19 Mya — about 0.1 occurrences19–18 Mya — about 0.1 occurrences29.5 Mya24.7 Mya32.3 Mya18 Mya

9 occurrences of Downsimus on record, most of them in the Oligocene. 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

5 formations

Sharps — 43.30°N, 102.50°WCypress Hills — 49.60°N, 108.80°WRenova — 46.40°N, 112.80°WGering — 41.70°N, 103.10°WCatahoula — 31.66°N, 88.66°W

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The named rock units Downsimus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 3 occurrences have no formation on record, which is common for older literature.

Downsimus and its relatives

Oligocene

Where Downsimus and its relatives were recorded in the Oligocene.

Found in the same rock

201 taxa

The Paleobiology Database records 9 sites for Downsimus, 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

8 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. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content0

No picture of Downsimus 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 Downsimus, or no answer at all. This entry cannot say which.

No 3D scan of Downsimus was found in MorphoSource and Sketchfab.

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

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

Keep going

What may have been alongside itProsciurinae through timeFormations of the OligoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Macdonald 1970