Species: curtonotus SEELEY, 1879
Etymology: Latin, curtus, "short" and Greek, noton, "back."
= Acanthopholis curtonotus (SEELEY, 1879) NOPCSA, 1902
= Anoplosaurus curtonodus COOMBS, 1971 (sic)

Lectotype: SMC B55731

Locality: From a phosphatitic-washing pit near Reach, Cambridge, Cambridgshire County, England, Southern United Kingdom.

Horizon: ?Upper Gault Clay or ?Cambridge Greensand.

Biostratigraphy:

Age: Late Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: A partial right scapula.

Paralectotypes: SMC B55670: Partial left dentary.

SMC B55671-55675: 5 cervical centra.

SMC B55676-55688: 13 dorsal centra.

SMC B55689-55694: Isolated neural arches.

SMC B55695-55695: Dorsal ribs.

SMC B55697-55709: Rib fragments.

SMC B55710-55715: 6 unfused sacral centra.

SMC B55716-55720: Sacral ribs.

SMC B55721-55728: 8 caudal centra.

SMC B55729-55730: Coracoids.

SMC B55732: Fragmentary humerus.

SMC B55733: ?Metacarpal.

SMC B55734-55735: Fragmentary left femur.

SMC B55736-55737: Fragmentary left tibia.

SMC B55738-55741? Metatarsals.

SMC B55742: Phalanx.
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Species: major SEELEY, 1879 (nomen dubium)
Etymology: Latin, major, "greater."
= Acanthopholis major (SEELEY, 1879) NOPCSA, 1902 (nomen dubium)

Holotype: Sedgwick Museum, SMC B55561

Locality: Near Cambridge, Cambridgeshire County, England, Southern United Kingdom.

Horizon: Cambridge Greensand.

Biostratigraphy:

Age: Late Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Cervical vertebra.
Note: Ankylosaur incertae sedis, as per PEREDA-SUBERBIOLA & BARRETT, 1998