Genus: Miragaia MATEUS, MAIDMENT & CHRISTIANSEN, 2009
Etymology: Miragaia, after the locality and geological unit of the same name.

Species: longicollum MATEUS, MAIDMENT & CHRISTIANSEN, 2009
Etymology: Latin, longus, 'long', and Latin, collum, 'neck'; in reference to its long neck. In addition, the stem Mira-can be read as the feminine form of Latin mirus, meaning wonderful, while Gaia is the Greek goddess of the Earth, so the name also means 'Wonderful goddess of the Earth'.
= Dacentrurus longicollum (MATEUS, MAIDMENT & CHRISTIANSEN, 2009) RAVEN & MAIDMENT, 2017

Holotype: ML 433

Locality: Close to the Miragaia at the municipality of Lourinha, Estremadura Province, West coast of Portugal.

Horizon: Miragaia Unit, Sobral Formation, Lourinha Group.

Biostratigraphy:

Age: Upper Kimmeridgian-Lower Tithonian Stage, Middle-Upper Malm Epoch, Late Jurassic.

Material: Nearly complete anterior half of a skeleton, right premaxilla, partial left maxilla, left nasal, right postorbital, right and left angulars, 15 cervical vertebrae (atlas and axis absent) with associated ribs, 2 dorsal vertebrae, both coracoids, scapulae, humeri, radii and ulnae, 1 metacarpal, 3 phalanges, 12 rib fragments, 1 cheveron, 1 dermal spine and 13 plates.

Referred material:

ML 433-A: 2 dorsal centra, 3 dorsal neural arches a right pubis, and left ilium of a juvenile.

Note: May belong to a different genus.

 

COSTA, MAIDMENT, SEQUERO & CRESPO, 2025

Locality: Near Atouguia da Baleia, Peniche, Estremadura Province, West coast of Portugal.

Horizon: Lourinha Formation, Lourinha Group.

Biostratigraphy:

Age: Upper Kimmeridgian-Lower Tithonian Stage, Middle-Upper Malm Epoch, Late Jurassic.

Material:

MG 4863: Fragmentary skeleton.

Breakdown as follows;

MG 4863: Caudal vertebrae 8, 9, 10, 11, 12 to 14, 37.

MG 4863-1: Left dentary.

MG 4863-2: Cervical vertebra and ribs 11.

MG 4863-3: Cervical vertebra and ribs 12.

MG 4863-4: Cervical vertebra adn ribs 13.

MG 4863-5: Axis.

MG 4863-6: Cervical vertebra 3.

MG 4863-7: Cervical vertebra and ribs 4.

MG 4863-8: Cervical vertebra and ribs 5.

MG 4863-9: Cervical vertebra and ribs 7.

MG 4863-10: Cervical vertebra and ribs 9.

MG 4863-11: Cervical vertebra adn ribs 14.

MG 4863-13: Dorsal vertebra 8.

MG 4863-14: Dorsal vertebra 4.

MG 4863-15: Dorsal vertebra 3.

MG 4863-16: Dorsal vertebrta 7.

MG 4863-17: Dorsal vertebra 6.

MG 4863-19: Caudal vertebra 28.

MG 4863-20: Caudal vertebra 3.

MG 4863-21: Caudal vertebra 5.

MG 4863-22: Caudal vertebra 8.

MG 4863-23: Caudal vertebra 9.

MG 4863-24: Caudal vertebra 10.

MG 4863-25: Caudal vertebra 11.

MG 4863-26: Caudal vertebra 12.

MG 4863-27: Caudal vertebra 13.

MG 4863-28: Caudal vertebra 14.

MG 4863-29: Caudal vertebra 15.

MG 4863-30: Caudal vertebra 16.

MG 4863-31: Caudal vertebra 23.

MG 4863-32: Caudal vertebra 24.

MG 4863-33: Caudal vertebra 27.

MG 4863-34: Caudal vertebra 1.

MG 4863-35: Caudal vertebra 19.

MG 4863-36: Caudal vertebra 34.

MG 4863-37: Caudal vertebra 32.

MG 4863-38: Caudal vertebra 2.

MG 4863-39: Left anterior spine.

MG 4863-40: Left femur.

MG 4863-41: Right femur.

MG 4863-42: Left tibia and tarsals.

MG 4863-43: Right tibia and tarsals.

MG 4863-44: Left fibula.

MG 4863-45: Right fibula.

MG 4863-46: Plate.

MG 4863-47: Right dorsal rib 7.

MG 4863-48: Right dorsal rib 7.

MG 4863-49: Right dorsal rib 7.

MG 4863-50: Right dorsal rib 6.

MG 4863-51: Posterior (?) chevron.

MG 4863-52: Anterior chevron.

MG 4863-53: Left pubis.

MG 4863-54: Indeterminate fragment.

MG 4863-55: Caudal vertebra 18.

MG 4863-56: Caudal vertebra 30.

MG 4863-57: Caudal vertebra 36.

MG 4863-58: Caudal vertebra 7.

MG 4863-59: Left ilium and sacral ribs.

MG 4863-60: Cranal fragments.

MG 4863-61: Dorsal rib (?).

MG 4863-62: Left doral rib 7.

MG 4863-63: Dorsal vertebra 2.

MG 4863-65: Left ischium.

MG 4863-66: Left metatarsal 4.

MG 4863-67: Left metatarsal 3.

MG 4863-68: Right metatarsal 3.

MG 4863-69: Left metaarsal 2.

MG 4863-70: Left metacarpal 4.

MG 4863-71: Left metacarpal 2.

MG 4863-72: Left matacarpal 1.

MG 4863-73: Left radial.

MG 4863-75: Right dorsal rib 4.

MG 4863-77: Right dorsal rib 1.

MG 4863-78: Left dorsal rib 5.

MG 4863-79: Right dorsal rib 2.

MG 4863-80: Left dorsal rib 5.

MG 4863-81: Right dorsal rib 4.

MG 4863-82: Right dorsal rib 6.

MG 4863-83: Right dorsal rib 8.

MG 4863-84: Left dorsal rib 2.

MG 4863-85: Left dorsal rib 2.

MG 4863-86: Left dorsal rib 8.

MG 4863-87: Plate.

MG 4863-88: Left dorsal rib 1.

MG 4863-89: Right dorsal rib 1.

MG 4863-90: Left dorsal rib 6.

MG 4863-91: Dorsal rib (?).

MG 4863-92: Right dorsal rib 4.

MG 4863-93: Left dorsal rib 7.

MG 4863-94: Dorsal rib (?).

MG 4863-95: Left dorsal rib 2.

MG 4863-96: Left dorsal rib 6.

MG 4863-97: Left dorsal rib 1.

MG 4863-98: Caudal fragment.

MG 4863-99: Dorsal rib (?).

MG 4863-100: Right cervical rib 17.

MG 4863-101: Caudal vertebra 4.

MG 4863-102: Caudal vertebra 37.

MG 4863-103: Caudal fragment.

MG 4863-104 - 108, 110: Cervical vragment.

MG 4863-109: Indeterminate fragment.

MG 4863-113: Dorsal vertebra 9.

MG 4863-104 to 121, 122 to 125, 127 to 133: Indeterminate fragments.

MG 4863-122: Ossifed tendons.

MG 4863-126: Left quadrate.