Paleosuchus
Paleosuchus is a South American genus of reptiles in the subfamily Caimaninae of the family Alligatoridae. They are the smallest members of the order Crocodilia in the Americas.

Uncredited · CC BY-SA 3.0 · 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- Also called
- caimanPBDB
- Sits inside
- JacareaPBDB
- Diet
- carnivorePBDB, for Crocodylia
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- marinePBDB, for Mesoeucrocodylia
Time the record covers
At least 11 million years on record.
The record covers at least 11.63 Mya to 129 ka. No occurrence read is dated outside 15.98 Mya to 11.7 ka.
4 occurrences of Paleosuchus on record, most of them in the Miocene. The Paleobiology Database records this as a living group. 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
4 occurrences- Miocene75%
- Pleistocene25%
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
1 formation
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The named rock units Paleosuchus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.
Paleosuchus and its relatives
MioceneWhere Paleosuchus and its relatives were recorded in the Miocene.
Found in the same rock
25 taxa- Caiman wannlangstoni2 sites
- Gnatusuchus pebasensis2 sites
- Gryposuchus pachakamue2 sites
- Kuttanacaiman iquitosensis2 sites
- Mourasuchus atopus2 sites
- Purussaurus neivensis2 sites
- Alligatoroidea1 site
- Borhyaenidae1 site
- Caimaninae1 site
- Chelus colombiana1 site
- Drytomomys aequatorialis1 site
- Gryposuchus colombianus1 site
- Miocochilius1 site
- Mourasuchus1 site
- Neoepiblema1 site
- Pericotoxodon platignathus1 site
- Platanistinae1 site
- Potamarchinae1 site
- Prodolichotis pridiana1 site
- Proterotheriidae1 site
- Purussaurus1 site
- Scleromys schurmanni1 site
- Sebecus huilensis1 site
- Theosodon1 site
The Paleobiology Database records 3 sites for Paleosuchus, 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
3 references- A Miocene hyperdiverse crocodylian community reveals peculiar trophic dynamics in proto-Amazonian mega-wetlands2
- Middle Miocene crocodiles from the Fitzcarrald Arch, Amazonian Peru1
- Sítios Arqueológicos e a Paisagem na Serra do Curupira. Província Serra Paraguaia-Araguaia, Rosário Oeste, Mato Grosso1
Each of the 4 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 content2
Picture of Paleosuchus
- Source
- Wikipedia/Commons
- Credit
- nobody named on the record
- Licence
- CC BY-SA 3.0
- Commercial use
- the licence allows it
3D model
- Source
- Sketchfab
- Credit
- Holliday Lab
- Licence
- CC Attribution
- Commercial use
- cannot be read from the licence given — check the record
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
- Source
- Wikipedia, “Paleosuchus”
- 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 itJacarea through timeFormations of the MioceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Gray 1862