Genus: Avalonnectes BENSON, EVANS & DRUCKENMILLER, 2012
Etymology: Genus name for Avalon, an island from the legend of King Arthur, often identified with Glastonbury, near Street, England and Greek, nectes, "swimmer."

Species: arturi BENSON, EVANS & DRUCKENMILLER, 2012
Etymology: In honor of Arthur Cruickshank (1932-2011), who with M. A. Taylor initated the restudy of British Lower Jurassic plesiosaurians in the 1990s, and also as a reference to the lengendary Arthur of British folklore.

Holotye; NHMUK 14550

Locality: Street, Somersetshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lowermost Hettangian Stage, Lowermost Lias Epoch, Earliest Jurassic.

Material: POsterior portion of the skull, and partial postcranial skeleton.

Referred material:

AGT uncatalogued: A partial postcranial skeleton.