Species: becklesii OWEN, 1861
Etymology: In honor of Samuel Husbands Beckles (12 April 1814 in Barbados – 4 September 1890 in Hastings) was a Bajan/English 19th-century lawyer, turned dinosaur hunter,
= Echinodon becclesii OWEN, 1861 (sic)
= Echinodon becklessii GALTON, 1978 (sic)

Lectotypes: BMNH 48209, 48211

Locality: High up the cliff at Durlston Bay, near Swanage, Isle of Purbeck, Dorset County, England, Southern United Kingdom.

Horizon: Lulworth beds, Middle Purbeckian.

Biostratigraphy:

Age: Berriasian Stage, Lower Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material:

BMNH 48209 (Incorrectly mentioned as BMNH 48390 by GALTON, 1978): Left and right premaxillae, anterior part of left maxilla, natural molds of posterior part of maxilla and several maxillary and dentary teeth.

BMNH 48211 (incorrectly listed by BMNH R 48210 by SERENO, 1991): Posterior part of left maxilla, left pterygoid, ?jugal and ?Palatine.
Note: Both specimens pertain to the same individual.

Paralectotypes:

BMNH 48211 (incorrectly listed as BMNH R 48211by SERENO, 1991): Partial right maxilla, lachrymal and palatine.

BMNH 48212: Partial right maxilla.

BMNH 48213: Portion of a left dentary with teeth.

BMNH 48214: Fragmentary right dentary with imperfect teeth.

BMNH 48215a: Right dentary.

BMNH 48215b: Left dentary.

BMNH 48215c: Plaster cast of original block.

BMNH 48215: Showing a natural mold of a tooth-bearing bone.