Omnisaura
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Dinosaur genus

Magyarosaurus

Huene 1932

Magyarosaurus is a dinosaur genus known from bones, found in rocks 72.2–66 million years old, in Romania.

Also calleden Magyarosaurus ("Magyar lizard")
mediummedium: Only Wikidata gives this; nothing contradicts it.
Confidence labels
How sure are we?4 high8 medium4 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 12 October 2026
72.2–66 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
Huene 1932
highhigh: PBDB and Wikidata agree.
Sources

Given by: Paleobiology Database. How it was chosen: PBDB leads.

Described in
F. v. Huene (1932). Die fossile Reptil-Ordnung Saurischia, ihre Entwicklung und Geschichte [The fossil reptile order Saurischia, their development and history]. Monographien zur Geologie und Palaeontologie, serie 1 4(1-2): 1–361.
highhigh: PBDB gives this publication for the name; its author and year match the naming authority (Huene 1932), on which PBDB and Wikidata agree.
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.

Type species
Magyarosaurus dacus
mediummedium: Only PBDB gives this; nothing contradicts it.
Sources

Given by: Paleobiology Database. How it was chosen: PBDB leads.

Lived
Maastrichtian, 72.2–66 million years ago
highhigh: PBDB and NHM agree.
Omnisaura calculation72.2–66 million years ago, from its dated fossil records
mediummedium: Omnisaura's calculation from 9 confirmed PBDB records.
Sources

Given by: Paleobiology Database. How it was chosen: PBDB leads.

Fossils found in
Romania
highhigh: NHM and PBDB both record it.
Sources

Given by: Paleobiology Database; Natural History Museum Data Portal. How it was chosen: Union of all sources (ISO 3166).

Rock formations
Densuș-Ciula
mediummedium: Only PBDB records it (3 records).
Pui Beds
mediummedium: Only PBDB records it (2 records).
Sebeş
mediummedium: Only PBDB records it (3 records).
Grunbach Formation
disputedlow: Only NHM gives this name and it matches no PBDB formation; awaiting an editor.
Sanpetru Formation
disputedlow: Only NHM gives this name and it matches no PBDB formation; awaiting an editor.
Sanpetru Formation, Densus Ciula Formation and Bozes strata
disputedlow: Only NHM gives this name and it matches no PBDB formation; awaiting an editor.
Sînpetru
lowlow: Only one PBDB record.
mixedmixed: Levels differ between entries; each has its own.
Sources

Given by: Paleobiology Database; Natural History Museum Data Portal. How it was chosen: Canonical names, automatic and editor-approved matches applied.

Parent group
Eutitanosauria
mediummedium: Only PBDB gives this; nothing contradicts it.
Sources

Given by: Paleobiology Database. How it was chosen: PBDB leads.

Order
Saurischia
mediummedium: Only NHM gives this; nothing contradicts it.
Sources

Given by: Natural History Museum Data Portal. How it was chosen: Gap filled from NHM.

Known from
Bones
Sources

Given by: Paleobiology Database (what the name was based on).

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

Gaps are answers

What isn't known yet

  • Family: no source we use gives it yet.
  • What it was named after: no source we use gives it yet.
  • Held back: 2 fossil records left out: identified only tentatively (for example "cf." or "?").
  • Resting on one source: 4 facts come from a single source with nothing against them (rated medium): type species (PBDB); parent group (PBDB); order (NHM); common names (Wikidata).

Size, diet and behaviour aren't covered yet. Omnisaura leaves them out rather than guess.

Where sources disagree

4 open

Formations

  • NonePBDB
  • Grunbach FormationNHM

One source names a formation the other does not. An editor hasn't ruled yet, so this is rated low until they do.

Formations

  • NonePBDB
  • Sanpetru FormationNHM

One source names a formation the other does not. An editor hasn't ruled yet, so this is rated low until they do.

Formations

  • NonePBDB
  • Sanpetru Formation, Densus Ciula Formation and Bozes strataNHM

One source names a formation the other does not. An editor hasn't ruled yet, so this is rated low until they do.

Countries

  • NonePBDB
  • AustriaNHM

One source records a country the other does not. An editor hasn't ruled yet, so this is rated low until they do.

Did it meet…?

?

Same time, different places. Their fossils overlap in age, 72.2 to 66 million years ago, but no rock formation holds both.

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

Lived alongside

Genera found in the same rock formations, from rocks of the same age.

ZalmoxesTelmatosaurusFerenceratopsRichardoestesiaStruthiosaurusBalaurElopteryxParonychodonPetrustitanPseudogeckoolithusRhabdodon

Same parent group

Other genera in Eutitanosauria with a full profile.

ArgentinosaurusBonitasauraDreadnoughtusMenucocelsiorNormanniasaurusPaludititanPetrustitan

Credits

Where this page comes from

  • Paleobiology DatabaseCC BY 4.0 · fossil records, ages, classification
  • Natural History Museum Data PortalCC0 1.0 · catalogued specimens
  • 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

Pictures linked from this page are credited beside each one, with their own licences; the full list is in the JSON download.