Species: horridus HUXLEY, 1867
Etymology: Latin, horridus, "frightful."

Syntypes: BGS GSM 109057, 109045-109046, 109051, 109053, 109046-109052, 109055-109056

Locality: Immediately east of Copt Point near the town of Folkstone, Kent County, England, Southern United Kingdom.

Horizon: From the Chalk Marl, 8 feet above the Upper Greensand.

Biostratigraphy: Mantelliceras mantelli zone.

Age: Lowermost Cenomanian Stage, Uppermiddle Gallic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.

Material:

Breakdown as follows.

BGS GSM 109057: Fragmentary basicranium.

109045-109046 (in part), 109051 (in part): 3 isolated teeth.

109053: Dorsal vertebra (doubtfully ankylosaurian, as per PEREDA-SUBERBIOLA & BARRETT, 1998).

109046-109052, 109055-109056: Dermal armor.

Figure 1), Large scapular spine, osteoderms and tooth.

Referred material:

= Camptosaurus CASEY, 1961/PEREDA-SUBERBIOLA & BARRETT, 1998

Locality: Wrotham, west Kent County, England, Southern United Kingdom.

Horizon: Junction of Folkestone beds and the Gault Clay, bed 8.

Biostratigraphy: Upper mammillatus zone.

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

Mateiral:

BMNH R6703: Dorsal centra.

 

= Acanthopholis horridus CASEY, 1961

Locality: Copt Point, Folkstone, Kent County, England, Southern United Kingdom.

Horizon: Gault Clay, Folkstone beds.

Biostratigraphy: Main mammillatu zone.

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

Material:

BGS GSM Zk 4775: Vertebra.

 

LYDEKKER, 1888

Locality: Flokestone, England, Southern United Kingdom.

Horizon: Chalk-Marl.

Biostratigraphy:

Age: Early Cretaceous.

Material:

BMNH 44581: An anterior caudal vertebrae, wanting the extremities of the transverse processes and the neural spine and the posterior zygapophses.

From Lydekker, 1888.

BMNH 47234: The centra of 2 dorsal vertebrae with 2 associated dermal scutes.

BMNH 47234a: 5 dermal scutes.

BMNH 49917: A dermal scutes.

BMNH 35280-2: 5 imperfect centra of posterior caudal vertebrae, provisionally referred to this species.

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Species: hughesii (SEELEY, 1871) (nomen nudum) as per PEREDA-SUBERBIOLA & BARRETT, 1998
Etymology:

Holotype: SMC B55463-SMC B55490

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

Horizon: Cambridge Greensand.

Biostratigraphy:

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

Material:

Breakdown as follows;

SMC B55484-555490: 5 keeled scutes and a pair of fragmentary spines.

SMC B55468-55474: Vertebrae.

SMC B55479: Metapodial bone.

The following is an indeterminate ornithopod.

SMC B55463-55467: Dorsal vertebrae.

The following is indeterminate beyond the Dinosaurian level.

SMC B55476, 555478, B55480-55483: Metopodial bones.

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Species: keepingi SEELEY, 1869 (nomen nudum) as per PEREDA-SUBERBIOLA & BARRETT, 1998
Etymology:

Holotype: SMC B55493, B55491-55526

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

Horizon: Cambridge Greensand.

Biostratigraphy:

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

Material:

Breakdown as follows…

SMC B55493: 5 dorsal and 6 caudal vertebrae.

SMC B55491-55492: Dorsal vertebrae.

SMC B55497-55500: Caudal vertebrae.

SMC B55514-55526: Dermal armor-keeled scutes, polygonal plates and ossicles.

The following is an indeterminate ornithopod

SMC B55494, B55903: Dorsal and caudal vertebrae.

A turtle

SMC B55509: Undetermined limb fragment.

The following is indeterminate beyond the dinosaurian level.

SMC B55495-55496, B55501-55502, B55510-55513: Chevrons, rib remains, metopodial and phalanges.

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Species: ? platypus SEELEY, 1871 (nomen dubium)
Etymology: Greek, platy, "flat" and Latin, pes, "foot."
= Acanthopholis platypus SEELEY, 1869 (nomen nudum)
= Acantopholis platypus KUHN, 1939 (sic)

Holotype: SMC B55454, B55455-55460

Locality: Out of a pit at Bottisham, near Cambridge, Cambridgeshire County, England, Southern United Kingdom.

Horizon: Upper Cambridge Greensand.

Biostratigraphy:

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

Material:

Breakdown as follows;

SMC B55454: Phalanx.

SMC B55455-55460: Caudal centra.

Note: Ankylosauria incertae sedis as per PEREDA-SUBERBIOLA & BARRETT, 1998

Note: As per PEREDA-SUBERBIOLA & BARRETT, 1998..

SMC B55461: A fragmentary neural spine which cannot be identified beyond the level of Dinosaurian indeterminate.
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Species: macrocercus SEELEY, 1879 (nomen nudum)
Etymology: Greek, macro, "large" and Greek, kerkos, "tail."

Holotype: Sedgwick Museum, SMC B55599-55609

Locality: From the vicinity of 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: Keeled scutes.

Note: Ankylosauria incertae sedis as per PEREDA-SUBERBIOLA & BARRETT, 1998

Note: as per PEREDA-SUBERBIOLA & BARRETT, 1998…(see Syngosaurus macrocercus)

SMC B55571-55579, B55582-55586: Vertebrae of an ornithopod.

SMC B55570, B55580-55581, B55587: These elements cannot be identified beyond the level of Dinosauria (see Dinosauria incertae sedis)
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Species: ? stereocercus SEELEY, 1879 (nomen dubium)
Etymology: Greek, steros, "solid, firm" and Greek, kerkos, "tail."

Holotype: SMC B55560, B55562, B55566-55568, B55569

Locality: The vicinity of 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: Breakdown as follows…

SMC B55560, B55562, B55566-555698: Caudal vertebrae.

SMC B55569: Dermal spine.
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Species: ? eucercus SEELEY, 1879 (nomen dubium)
Etymology: Greek, eu, "true" and Greek, kerkos, "tail."

Holotype: SMC B55552-55557

Locality: The vicinity of 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: 6 caudal vertebrae.
Note: Probably an Ornithopod incertae sedis.