Genus: Plesiopharos PUERTOLAS-PASCUAL, MARX, MATEUS, SALEIRO, FERNANDES, MARINHEIRO, TOMAS & MATEUS, 2021
Etymology: Greek, plesion, "close, near," prefix alludes the plesiosaurian affinity and Greek, pharos, "lighthouse," referring to the nearby lighthouse where the specimen was discovered.

Species: moelensis PUERTOLAS-PASCUAL, MARX, MATEUS, SALEIRO, FERNANDES, MARINHEIRO, TOMAS & MATEUS, 2021
Etymology: In reference to Sao Pedro de Moel, the nearest locality.

Holotype: ML2302

Locality: Praia da Concha, north of Sao Pedro de Moel, 39°46'03.9"N, 9°01'44.8"W, Marinha Grande Municipality, Leiria District, Centro region, Portugal.

Horizon: Coimbra Formation

Biostratigraphy:

Age: Lower Sinemurian Stage, Lias Epoch, Early Jurassic.

Material: A partial skeleton consisting of 1 cervical, 4 pectorals, and 17 dorsal vertebre, 1 cervical rib and at least 19 dorsal ribs, 2 gastralia, right humerus, radius, ischium, ilium, pubis, femur and 2 phalanges.