Genus: Yaverlestes SWEETMAN, 2008
Etymology: In reference to Yaverland, Isle of Wight County, Southern England, the name of the settlement closest to the outcrop from which the holotype specimen was obtained, and Greek, lestes, "hunter, robber or plunderer," a commonly used suffix for the generic names of apparently predatory Mesozoic mammals.

Species: gassoni SWEETMAN, 2008
Etymology: In honor of Dr. Brian Gasson who found the holotype and one of the paratype[specimens, and who generously donated them adn other important Wessex Formation microvertebrate material in his private collection to the collection of the Natural History Museum, London.

Holotype: BMNH M 54386

Locality: Yaverland, southeast coast, Isle of Wight, Isle of Wight County, Southern England, Southern United Kingdom.

Horizon: Bed 38, occuring c. 4 m below the top of the Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: An incomplete right dentary with alveoli of p1 and dp2, substantially incomplete dp3, partial m1, substantialy complete m2, complete m3, adn alveoli for m4-5.

Paratypes:

BMMH M 45563: A right m5.

Locality: Beach level near Barnes High, southwest coast of the Isle of Wight, Isle of Wight County, Southern England, Southern United

Horizon: Bed L14, Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

BMNH M 45480: An upper right molariform.

Locality: Beach level west of Grange Chine, south-west coast of Isle of Wight, Isle of Wight County, Southern England, Southern United

Horizon: Bed L9, Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

BMNH M 45481: An upper left molariform.

Locality: Exposed high on the cliff near Sudmoor Point, south-west coast of the Isle of Wight, Isle of Wight County, Southern England, Southern United

Horizon: Bed L2, Wessex Formation, Wealden Group.

Biostratigraphy:

Age: Valanginian-Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

BMNH M 45561: An abraded lower left molariform.