Cretaceous
Aquilops
Aquilops americanus
The catalogue presents Aquilops as a herbivore member of Ceratopsidae that lived during the Cretaceous, between 108.0–104.0 Ma. Its estimated range is 0.6 m in length and 1–2 kg in mass, giving a practical sense of scale. Reference material comes from Cloverly Formation, Montana, USA. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Aquilops, the PBDB records the taxonomic attribution as Farke et al. (2014).
The PBDB places it in Neoceratopsia, and the catalogue record assigns it to the family Ceratopsidae.
- PBDB · taxon.parent
- Ceratopsidae
In the PBDB record, the reported stratigraphic range is the Albian.
The PBDB catalogues 1 occurrence, with material from the Cloverly Formation (1). Provenance: United States.
The catalogue records the type locality as “Cloverly Formation, Montana, USA”.
- Cloverly Formation, Montana, USA
The catalogue's reference measurements are 0.6 m in length and 1–2 kg in mass — estimates, which vary with specimen and method.
- 0.6 m
- 1-2 kg
The record gathers 3 bibliographic references registered in the PBDB, listed below.
Where it lived
Fossil occurrences on today’s map and in the tectonic reconstruction.
Positions reconstructed by PBDB/GPlates, not observed; this is not an exact habitat map.
Artistic 3D reconstruction
There is no approved species-specific 3D model yet. Generic anatomy will not be presented as if it were evidence.
Physical Specifications
- Length
- 0.6 m
- Weight
- 1–2 kg
- Period
- Cretaceous
- Time range
- 108.0–104.0 Ma
Discovery Information
- First Discovery
- 2014
- Described by
- Farke et al.
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Ceratopsidae
- Genus
- Aquilops
- Species
- A. americanus
Data status
Taxonomic name matched to PBDB and checked on 2026-08-08.
Taxonomic linkage does not automatically validate size, mass, behaviour or appearance.
- Type specimen
- not documented in this catalogue
- Type locality
- Cloverly Formation, Montana, USA