Footprint type

Caririchnium

Leonardi 1984

Caririchnium is a footprint type: the name is for the fossil footprints themselves. The animal that made them is not known for certain. Its footprints are found in rocks 143.1–93.9 million years old in 9 countries, most often the United States and Spain.

Confidence labels

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How sure are we?0 high23 medium17 lowHow we rate confidence

Confidence labels are switched off. Facts with low confidence, or where sources disagree, still carry a small dot: tap it for the reason.

At a glance

Data as of 11 October 2026

143.1–93.9 Ma

Triassic

Jurassic

Cretaceous

252 million years ago20114366

The last non-bird dinosaurs died out 66 million years ago. That's as far from us as the end of this bar.

Named by: Leonardi 1984
medium
medium: Only PBDB gives this; nothing contradicts it.
Sources
Given by: Paleobiology Database. How it was chosen: PBDB leads.
Described in: G. Leonardi (1984). Le impronte fossili di Dinosauri [The fossil footprints of dinosaurs]. Sulle Orme dei Dinosauri: 164–186.
medium
medium: Only PBDB gives this; its author and year match the naming authority (Leonardi 1984).
Sources
Given by: Paleobiology Database. The publication the Paleobiology Database gives as the authority for this genus name, usually the one that first named and described it.
Dated to: Cenomanian, 100.5–93.9 million years ago
medium
medium: Only PBDB gives this; nothing contradicts it.
Omnisaura calculation143.1–93.9 million years ago, from its dated fossil records
medium
medium: Omnisaura's calculation from 75 confirmed PBDB records.
Sources
Given by: Paleobiology Database. How it was chosen: PBDB leads.
Found in: Brazil
medium
medium: Only PBDB records it (3 records).
China
medium
medium: Only PBDB records it (11 records).
Mexico
medium
medium: Only PBDB records it (3 records).
Portugal
medium
medium: Only PBDB records it (2 records).
South Korea
medium
medium: Only PBDB records it (11 records).
Spain
medium
medium: Only PBDB records it (11 records).
United States
medium
medium: Only PBDB records it (33 records).
Japan
low
low: Only one PBDB record.
Switzerland
low
low: Only one PBDB record.
mixed
mixed: Levels differ between entries; each has its own.
Sources
Given by: Paleobiology Database. How it was chosen: Union of all sources (ISO 3166).
Rock formations: 25, including Mojado, Pajarito, Jiaguan and Jindong
mixed
mixed: Levels differ between entries; each has its own.
Show all 25, each with its confidence
Antenor Navarro
medium
medium: Only PBDB records it (2 records).
Areia do Mastro
medium
medium: Only PBDB records it (2 records).
Camarillas
medium
medium: Only PBDB records it (2 records).
El Castellar
medium
medium: Only PBDB records it (2 records).
Jiaguan
medium
medium: Only PBDB records it (7 records).
Jindong
medium
medium: Only PBDB records it (9 records).
Mojado
medium
medium: Only PBDB records it (9 records).
Muddy Sandstone
medium
medium: Only PBDB records it (3 records).
Pajarito
medium
medium: Only PBDB records it (10 records).
Plainview
medium
medium: Only PBDB records it (2 records).
Akaiwa
low
low: Only one PBDB record.
Fruitland
low
low: Only one PBDB record.
Haman
low
low: Only one PBDB record.
Huérteles
low
low: Only one PBDB record.
Lewisville
low
low: Only one PBDB record.
Mesa Rica Sandstone
low
low: Only one PBDB record.
Mirambel
low
low: Only one PBDB record.
Parajito
low
low: Only one PBDB record.
Saniri
low
low: Only one PBDB record.
Schrattenkalk
low
low: Only one PBDB record.
Sousa
low
low: Only one PBDB record.
Tianjialou
low
low: Only one PBDB record.
Tongfosi
low
low: Only one PBDB record.
Villar Navalsaz
low
low: Only one PBDB record.
Xiguayuan
low
low: Only one PBDB record.
Sources
Given by: Paleobiology Database. How it was chosen: Canonical names, automatic and editor-approved matches applied.
Footprint family: Iguanodontipodidae
medium
medium: Only PBDB gives this; nothing contradicts it.
Sources
Given by: Paleobiology Database. How it was chosen: PBDB leads.
Parent group: Iguanodontipodidae
medium
medium: Only PBDB gives this; nothing contradicts it.
Sources
Given by: Paleobiology Database. How it was chosen: PBDB leads.
Species named in its records: Caririchnium liucixini, Caririchnium lotus, Caririchnium magnificum, Caririchnium protohadrosaurichnos, Caririchnium yeongdongensis
Sources
Given by: Paleobiology Database (the species its fossil records are identified as).
Known from: Footprints and traces
Sources
Given by: Paleobiology Database (what the name was based on).
Made by: Not known for certain. Footprints rarely show which animal made them.

Sources: Paleobiology Database (CC BY 4.0), Wikidata (CC0 1.0)Confidence levels and gaps are Omnisaura's own assessment.

Gaps are answers

What isn't known yet

The animal that made them: not known for certain, as for most footprint types.
Type species: no source we use gives it yet.
Order: no source we use gives it yet.
Common names: no source we use gives it yet.
What it was named after: no source we use gives it yet.
Held back: 5 fossil records left out: identified only tentatively (for example "cf.", "?" or the name in quotation marks).
Resting on one source: 4 facts come from a single source with nothing against them (rated medium): authority (PBDB); parent group (PBDB); family (PBDB); age (headline) (PBDB).

Size and appearance aren't covered yet, and diet and way of life only as PBDB infers them for the wider group. Omnisaura leaves the rest out rather than guess.

Where sources disagree

None open. Where our sources overlap, they agree on everything shown here.

Did it meet…?

Did Caririchnium meet ?

No. Caririchnium had gone at least 10.3 million years before Tyrannosaurus appears in the fossil record.

Going by the ages and rock formations of their dated fossils, as on the map. Compare their fossil sites on the map.

Connections

Genera linked to Caririchnium by where and when their fossils were found, by classification and by who named them. Select a name to open its page.

Found in the same rocks 26

Genera and other fossil types from the same rock units, from rocks of overlapping age, the most shared fossil sites first.

Hadrosauropodus Magnoavipes Brontopodus Eubrontes Iguanodon Grallator Iguanodontipus Minisauripus Protohadros Amblydactylus Deltapodus Kalohipus Moraesichnium Velociraptorichnus Ampelognathus Byakudansauropusand 10 more

Same family: Iguanodontipodidae 3

Other genera in Iguanodontipodidae with a full profile.

Amblydactylus Hadrosauropodus Iguanodontipus

Named by Leonardi 1

Genera whose naming authority includes the same surname. The authority has no initials, so different people who share a surname can appear together.

Moraesichnium

Found in United States 47

Other genera found in United States, from rocks of overlapping age, the most fossil sites there first.

Tenontosaurus Deinonychus Magnoavipes Sauropelta Hadrosauropodus Brontopodus Macroelongatoolithus Acrocanthosaurus Tetrapodosaurus Eolambia Amblydactylus Eubrontes Oryctodromeus Continuoolithus Fona Gypsichnitesand 31 more

Where its fossils were found

57 fossil sites, with present-day and ancient positions

Open the map at this time

Cite this page

Omnisaura (2026). Caririchnium. Future Sailors. https://www.omnisaura.com/genera/caririchnium. Data as of 11 October 2026.

What's changed

19 Oct 2026
Fossils found in: added Switzerland, South Korea.
11 Oct 2026
Added to Omnisaura.

Every change to Omnisaura

Use this data

Download this genus as JSON With every source and licence attached. Also recorded in: Paleobiology Database · Wikipedia (English) · GBIF · Wikidata Spotted a problem? Tell us

Credits

Where this page comes from

Paleobiology DatabaseCC BY 4.0 · fossil records, ages, classification
WikidataCC0 1.0 · names and identifiers
OmnisauraOmnisaura editorial · confidence levels and gaps
PaleoMAP PaleoCoastlines (Kocsis and Scotese 2021)CC BY 4.0 · ancient coastlines on the small map
Natural EarthPublic domain · today's coastlines