Open Paleo

Adratiklit

Maidment et al., 2020 AD-ruh-TIK-lit

From Berber/Amazigh 'adrar' meaning 'mountain' and 'tiklit' meaning 'lizard'; meaning 'mountain lizard'

168.2–161.5 million years ago Bathonian–Callovian, Middle Jurassic
Middle Jurassic stages

Adratiklit is an extinct genus of stegosaurian dinosaur that lived on the supercontinent Gondwana during the Middle Jurassic (Bathonian age). The genus contains a single species, Adratiklit boulahfa. Its remains were found in the El Mers III Formation, near Boulemane in north Morocco.

Diagnosis

  1. Small, triangular, rugose protuberance situated dorsally on the prezygapophysis posterior to the articular facet of dorsal vertebrae
  2. Anterior centroparapophyseal laminae drawn into anteriorly-projecting rugosities either side of the neural canal in dorsal vertebrae

Species

Adratiklit boulahfa Maidment et al., 2020

Type species

Named for the area of Boulahfa, near Boulemane in Morocco, where the specimen was said to have been found.

Holotype
NHMUK PV R 37366 , Natural History Museum
Material
A dorsal vertebra.
Horizon
El Mers III Formation, Bathonian–Callovian, Middle Jurassic , 168.2–161.5 million years ago
Locality
Boulahfa, Boulemane, Morocco

References

  1. Maidment, S. C. R.; Raven, T. J.; Ouarhache, D.; Barrett, P. M. (2020). North Africa's first stegosaur: Implications for Gondwanan thyreophoran dinosaur diversity. Gondwana Research 77: 82-97. Elsevier BV. doi:10.1016/j.gr.2019.07.007 maidment2020a
  2. Maidment, S. C. R.; Strachan, S. J.; Ouarhache, D.; Scheyer, T. M.; Brown, E. E.; Fernandez, V.; Johanson, Z.; Raven, T. J.; Barrett, P. M. (2021). Bizarre dermal armour suggests the first African ankylosaur. Nature Ecology & Evolution 5(12): 1576-1581. Springer Science and Business Media LLC. doi:10.1038/s41559-021-01553-6

    Revises the horizon from the El Mers II Formation to the El Mers III after further fieldwork at the same site.

    maidment2021a
  3. Paul, G. S. (2024). The Princeton Field Guide to Dinosaurs (3rd ed.). Princeton University Press.

    Source of the mass estimate.

    paul2024a
  4. Jones, B. (2026). The Princeton Encyclopedia of Dinosaurs: Ornithischians. Princeton University Press.

    Source of the hip height estimate.

    jones2026a