Genus: Riparovenator BARKER, HONE, NAISH, CAU, LOCKWOOD, FOSTER, CLARKIN, SCHNEIDER & GOSTLING, 2021
Etymology: Latin, riparius, relating to the rivebank and Latin, venator, "hunter."

Species: milnerae BARKER, HONE, NAISH, CAU, LOCKWOOD, FOSTER, CLARKIN, SCHNEIDER & GOSTLING, 2021
Etymology: In honor of Angela Milner and her contributions to spinosaurid palaeobiology (and palaeontology as a whole).

Holotype: IWCMS 2014.95.6, IWCMS 2014.96.1, 2, 2020.448.1, 3, IWCMS 2014.95.7

Locality: Chilton Chine, near Brighstone, Isle of Wight County, England, Southern United Kingdom.

Horizon: Between teh Chilton Chine and Brighstone sandstones, Wessex Formation.

Biostratigraphy:

Age: Barremian Stage, Early Gallic Subepoch, Middle Early Cretaceous Epoch, Early Cretaceous.

Material:

Breakdown as follows:

IWCMS 2014.95.6: Premaxillary bodies.

IWCMS 2014.96.1, 2, 2020.448.1, 3: A disarticulage braincase.

IWCMS 2014.95.7: A left "preorbital" fragment (partial lacrimal and prefrontal.

Referred material:

IWCMS 2014.95.7: Posterior nasal fragment.

IWCMS 2020.447.1-39: An extensive caudal axial series.