Leptochoeridae

Leptochoeridae is an extinct family of basal artiodactyl mammals from the early Eocene to late Oligocene of North America.

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

On record

Recorded, not inferred
Sits inside
DichobunoideaPBDB
Diet
grazer, browserPBDB, for Artiodactyla
Life habit
ground dwellingPBDB, for Artiodactyla
Motility
actively mobilePBDB, for Osteichthyes
Environment
terrestrialPBDB, for Artiodactyla

Time the record covers

At least 21 million years on record.

The record covers at least 51.1 Mya to 29.5 Mya. No occurrence read is dated outside 56 Mya to 18.5 Mya.

Paleocene — about 0 of 86 occurrencesEocene — about 32 of 86 occurrencesEoceneOligocene — about 53 of 86 occurrencesOligoceneMiocene — about 0 of 86 occurrencesMiocene57–55 Mya — about 0.8 occurrences55–54 Mya — about 2 occurrences54–53 Mya — about 2 occurrences53–52 Mya — about 2 occurrences52–50 Mya — about 0.6 occurrences46–45 Mya — about 0.5 occurrences45–44 Mya — about 0.8 occurrences44–42 Mya — about 0.8 occurrences42–41 Mya — about 0.8 occurrences41–40 Mya — about 0.9 occurrences40–39 Mya — about 1 occurrence39–37 Mya — about 1 occurrence37–36 Mya — about 7 occurrences36–35 Mya — about 8 occurrences35–33 Mya — about 14 occurrences33–32 Mya — about 23 occurrences32–31 Mya — about 10 occurrences31–29 Mya — about 7 occurrences29–28 Mya — about 0.8 occurrences28–27 Mya — about 0.7 occurrences27–26 Mya — about 0.7 occurrences26–24 Mya — about 0.5 occurrences24–23 Mya — about 0.1 occurrences23–22 Mya — about 0.1 occurrences22–20 Mya — about 0.1 occurrences20–19 Mya — about 0.1 occurrences19–18 Mya — about 0.1 occurrences51.1 Mya29.5 Mya56.8 Mya17.8 Mya

86 occurrences of Leptochoeridae 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

86 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

12 formations

Brule — 43.90°N, 102.40°WBrule — 40.80°N, 103.10°WBrule — 43.30°N, 102.50°WBrule — 42.80°N, 103.10°WBrule — 43.00°N, 104.50°WBrule — 42.40°N, 103.80°WBrule — 41.80°N, 103.80°WBrule — 43.20°N, 103.20°WWind River — 43.20°N, 107.10°WWind River — 43.20°N, 108.20°WChadron — 42.80°N, 103.40°WChadron — 46.10°N, 103.30°WChadron — 43.30°N, 102.50°WChadron — 42.40°N, 103.80°WChadron — 42.00°N, 104.20°WChadron — 42.75°N, 103.65°WWhite River — 43.20°N, 107.10°WWhite River — 40.80°N, 103.10°WCypress Hills — 50.20°N, 107.60°WCypress Hills — 50.00°N, 107.90°WCypress Hills — 49.57°N, 109.88°WCypress Hills — 49.80°N, 109.00°WCypress Hills — 49.60°N, 108.80°WRenova — 46.00°N, 112.00°WRenova — 45.90°N, 112.25°WLaredo — 27.53°N, 99.43°WSharps — 43.30°N, 102.50°WSantiago — 33.19°N, 117.32°WWagon Bed ("Tepee Trail") — 43.20°N, 107.10°WYolomécatl — 17.46°N, 97.58°WCatahoula — 31.66°N, 88.66°W

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The named rock units Leptochoeridae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 8 occurrences have no formation on record, which is common for older literature.

Leptochoeridae and its relatives

Oligocene

Where Leptochoeridae and its relatives were recorded in the Oligocene.

Found in the same rock

863 taxa

The Paleobiology Database records 75 sites for Leptochoeridae, 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

32 references

Each of the 86 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. 20 further references are not listed. 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 Leptochoeridae was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none.

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

No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.

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 itDichobunoidea through timeFormations of the OligoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Marsh 1894