Brachyhyops

Brachyhyops is an extinct genus of entelodont artiodactyl mammal that lived during the Eocene Epoch of western North America and southeastern Asia. The first fossil remains of Brachyhyops are recorded from the late Eocene deposits of Beaver Divide in central Wyoming and discovered by paleontology crews from the Carnegie Museum of Natural History during the early 20th century. The type species, Brachyhyops wyomingensis, is based on a single skull and was named by E.H. Colbert in 1937, but was not officially described until 1938. During the latter half of the 20th century, additional specimens from North America have been recorded from Saskatchewan and as far south as Texas, indicating that Brachyhyops had a broad distribution and was well-dispersed throughout western North America.

Brachyhyops

via iDigBio · CC BY-NC-SA · via iDigBio. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.

On record

Recorded, not inferred
Sits inside
ProentelodontinaePBDB
Diet
omnivorePBDB, for Entelodontidae
Life habit
ground dwellingPBDB, for Entelodontidae
Motility
actively mobilePBDB, for Osteichthyes
Environment
terrestrialPBDB, for Artiodactyla

Time the record covers

At least 710 thousand years on record.

The record covers at least 37.71 Mya to 37 Mya. No occurrence read is dated outside 48.07 Mya to 33.9 Mya.

Eocene — about 14 of 14 occurrencesEoceneOligocene — about 0 of 14 occurrences49–48 Mya — about 0.0 occurrences48–48 Mya — about 0.2 occurrences48–47 Mya — about 0.2 occurrences47–47 Mya — about 0.2 occurrences47–46 Mya — about 0.2 occurrences46–46 Mya — about 0.2 occurrences46–45 Mya — about 0.3 occurrences45–45 Mya — about 0.3 occurrences45–44 Mya — about 0.3 occurrences44–44 Mya — about 0.3 occurrences44–43 Mya — about 0.3 occurrences43–43 Mya — about 0.3 occurrences43–42 Mya — about 0.3 occurrences42–41 Mya — about 0.3 occurrences41–41 Mya — about 0.3 occurrences41–40 Mya — about 0.3 occurrences40–40 Mya — about 0.3 occurrences40–39 Mya — about 0.5 occurrences39–39 Mya — about 0.8 occurrences39–38 Mya — about 0.8 occurrences38–38 Mya — about 0.8 occurrences38–37 Mya — about 0.9 occurrences37–37 Mya — about 1 occurrence37–36 Mya — about 0.9 occurrences36–36 Mya — about 0.9 occurrences36–35 Mya — about 0.9 occurrences35–35 Mya — about 0.9 occurrences35–34 Mya — about 0.9 occurrences34–34 Mya — about 0.9 occurrences34–33 Mya — about 0.0 occurrences37.71 Mya – 37 Mya48.6 Mya33.4 Mya

14 occurrences of Brachyhyops on record, most of them in the Eocene. 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

14 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

7 formations

Ergilin Dzo — 43.73°N, 111.21°EErgilin Dzo — 43.73°N, 111.25°EErgilin Dzo — 43.37°N, 108.66°EWhite River — 43.20°N, 108.20°WWhite River — 43.20°N, 107.10°WChambers Tuff — 29.90°N, 104.20°WDuchesne River — 40.20°N, 109.90°WBaca — 33.50°N, 108.80°WShara Murun — 43.21°N, 114.34°ELumeiyi — 24.76°N, 103.33°E

Loading coastlines…

The named rock units Brachyhyops has been recovered from, largest first. Drawn where the rock is now, not where it formed. 4 occurrences have no formation on record, which is common for older literature.

Brachyhyops and its relatives

Eocene

Where Brachyhyops and its relatives were recorded in the Eocene.

Found in the same rock

177 taxa

The Paleobiology Database records 14 sites for Brachyhyops, 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

12 references

Each of the 14 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 content1

Picture of Brachyhyops

Source
iDigBio
Credit
via iDigBio
Licence
CC BY-NC-SA
Commercial use
the licence does not allow it

No 3D scan of Brachyhyops 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.

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 itProentelodontinae through timeFormations of the EoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Colbert 1937