Eosimias sinensis
Eosimias is a genus of early primates, first discovered and identified in 1999 from fossils collected in the Shanghuang fissure-fillings of Liyang, the southern city of Jiangsu Province, China. It is a part of the family Eosimiidae, and includes three known species: Eosimias sinensis, Eosimias centennicus, and Eosimias dawsonae. It provides us with a glimpse of a primate skeleton similar to that of the common ancestor of the Haplorhini. The name Eosimias is designed to mean "dawn monkey", from Greek eos "dawn" and Latin simius "monkey".

DiBgd · CC BY-SA 4.0 · via Wikipedia/Commons. 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
- EosimiasPBDB
- Diet
- omnivorePBDB, for Primates
- Life habit
- arborealPBDB, for Primates
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- terrestrialPBDB, for Eutheria
Time the record covers
At most 11 million years on record.
The one occurrence read is dated to somewhere between 48.07 Mya and 37.71 Mya, which is a dating window rather than a span.
1 occurrence of Eosimias sinensis 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
1 occurrences- Eocene100%
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.
Eosimias sinensis and its relatives
EoceneWhere Eosimias sinensis and its relatives were recorded in the Eocene.
Found in the same rock
34 taxa- Adapidae1 site
- Adapoides troglodytes1 site
- Anthracotheriidae1 site
- Archaeomeryx1 site
- Brachyhyops1 site
- Brontotheriidae1 site
- Chiroptera1 site
- Creodonta1 site
- Ctenodactyloidea1 site
- Diacodexeidae1 site
- Dichobunoidea1 site
- Dolosimus dolus1 site
- Elaschitotherium1 site
- Elaschitotherium crepaturus1 site
- Helohyus1 site
- Homacodontidae1 site
- Indohyus major1 site
- Insectivora1 site
- Jiangsudon shanghuangensis1 site
- Leporidae1 site
- Limeryx chimaera1 site
- Lushilagus lohoensis1 site
- Macrotarsius macrorhysis1 site
- Metatheria1 site
The Paleobiology Database records 1 site for Eosimias sinensis, 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
1 referenceEach of the 1 occurrence 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 content2
Picture of Eosimias sinensis
- Source
- Wikipedia/Commons
- Credit
- DiBgd
- Licence
- CC BY-SA 4.0
- Commercial use
- the licence allows it
CT scan
- Source
- MorphoSource
- Licence
- In Copyright
- Commercial use
- cannot be read from the licence given — check the record
- Specimen
- Eosimias sinensis · ivpp:V10591
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
- Source
- Wikipedia, “Eosimias”
- 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 itEosimias through timeFormations of the EoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Beard et al. 1994