Xotodon
Xotodon is an extinct genus of toxodontid mammal that lived during the Late Miocene in Argentina, South America. Fossils of Xotodon have been found in the Ituzaingó, Maimará and Chiquimil Formations of Argentina.

FunkMonk · 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- Sits inside
- ToxodontidaePBDB
- Diet
- grazerPBDB
- Life habit
- scansorialPBDB, for Eutheria
- Motility
- actively mobilePBDB, for Osteichthyes
- Environment
- terrestrialPBDB, for Eutheria
Time the record covers
At least 4.9 million years on record.
The record covers at least 5.333 Mya to 400 ka. No occurrence read is dated outside 11.63 Mya to 11.7 ka.
21 occurrences of Xotodon on record, most of them in the Pliocene. 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
21 occurrences- Miocene36%
- Pliocene59%
- Pleistocene5%
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
15 formations
- Monte Hermoso Formation3
- Ituzaingo Formation2
- Chiquimil Formation1
- Andalhuala Formation1
- Chapadmalal Formation1
- Puerto Belgrano Formation1
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The named rock units Xotodon 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.
Xotodon and its relatives
PlioceneWhere Xotodon and its relatives were recorded in the Pliocene.
Found in the same rock
369 taxa- Cardiomys5 sites
- Chorobates5 sites
- Lagostomus (Lagostomopsis)5 sites
- Brachytherium4 sites
- Promacrauchenia antiqua4 sites
- Tremacyllus impressus4 sites
- Cyonasua3 sites
- Doellotatus chapadmalensis3 sites
- Hyperdidelphys3 sites
- Lutreolina3 sites
- Lutreolina tracheia3 sites
- Macrochorobates3 sites
- Microcavia3 sites
- Orthomyctera3 sites
- Palaeocavia3 sites
- Phugatherium3 sites
- Plohophoroides3 sites
- Promacrauchenia3 sites
- Proscelidodon3 sites
- Ringueletia simpsoni3 sites
- Trachycalyptus3 sites
- Argyrohyus2 sites
- Argyrolagus2 sites
- Caiman2 sites
The Paleobiology Database records 17 sites for Xotodon, 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- New Miocene–Pliocene specimens of Toxodontidae (Notoungulata) from the Huayquerías of Mendoza, west-central Argentina3
- Late Cenozoic vertebrates from the Southern Pampean region: systematic and bio-chronostratigraphic update3
- Eumysops marplatensis Olivares and Verzi 2015 (Rodentia, Hystricognathi) from the Plio-Pleistocene of the Northern Pampa in Argentina: Paleoenvironmental and paleobiogeographic implications2
- Marco estratigráfico, paleontología de vertebrados y paleoambientes del Plioceno de Catamarca, Tucumán y Santiago del Estero, Argentina2
- Late cenozoic mammals from the northwest of Argentina2
- Miocene vertebrates from Entre Rios province, eastern Argentina2
- Reassesment of the Pliocene-Pleistocene continental time scale of Southern South America. Correlation of the type Chapadmalalan with Bolivian sections2
- Estratigrafía, paleontología y paleoambientes del Plioceno de la provincia de Córdoba1
- A new species of Xotodon (Notoungulata, Toxodontidae) from northwestern Argentina1
- First record of Toxodontidae (Mammalia, Notoungulata) from the late Miocene–early Pliocene of the southern central Andes, NW Argentina1
- The late Miocene climatic change - persistence of a climatic signal through the orogenic stratigraphic record in northwestern Argentina1
- Las Caleras, provincia de Córdoba, primer yacimiento fosilífero de origen cárstico de Argentina1
Each of the 21 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 Xotodon
- Source
- Wikipedia/Commons
- Credit
- FunkMonk
- Licence
- CC BY-SA 3.0
- Commercial use
- the licence allows it
No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.
The description on this site
- Source
- Wikipedia, “Xotodon”
- 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 itToxodontidae through timeFormations of the PlioceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Ameghino 1887