Genus: Vegavis CLARKE, TAMBUSSI, NORIEGA, ERICKSON & KETCHAM,
2005
Etymology: In reference to the Vega Island province,West Antarctica, Antarctica and Latin, avis, "bird."
Species: iaai CLARKE, TAMBUSSI, NORIEGA, ERICKSON & KETCHAM,
2005
Etymology: In reference to the initials of the Instituto Antartico Argentino
(IAA) expedition that collected the specimen.
= PRESBYORNITHIDAE incertae sedis NORIEGA & TAMBUSSI, 1995
Holotype: MLP 93-I-3-1 (-2 also?)
Locality: Locality VEG9303 of the 1992/1992 IAA expedition, Cape Lambe, Vega Island, West Antarctica, Antarctica.
Horizon: Unit B of the Upper Cretaceous marine succession tentatively referred to the Lopez de Bertodano Formation.
Biostratigraphy:
Age: Middle? to Upper Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: A disarticulated partial postcranial skeleton in 2 halves of a concretion; 5 thoracic vertebrae, 2 cervical vertebrae, left scapula, right ulna, all pelvic bones, right and left fubulae and left? tarsometatarsal shaft, right humerus, proximal left humerus, right coracoid, femora, left tibiotarsus, distal radius, sacrum, distal left tarsometatarsus, proximal right tarsometatarsus and more than 6 dorsal ribs.
Referred material:
CLARKE, CHATTERJEE, LI, RIEDE, AGNOLIN, GOLLER, ISSAI, MARTINIONI, MUSSEL, & NOVAS, 2016
Locality: Vega Island, West Antarctica.
Horizon: Unit B of the Upper Cretaceous marine succession tentatively referred to the Lopez de Bertodano Formation.
Biostratigraphy:
Age: Middle? to Upper Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
MACN-PV 19.748: Partial skeleton with a three-dimensionally preserved syrinx.
= cf. Vegavis iaai de SOUZA, BULAK, SOARES, SAYAO, WEINSCHUTZ, BATEZELLI & KELLNER, 2023
Locality: Sandwich Bluff, Cape Lamb, Vega Island, West Antarctica.
Horizon: Lopez de Bertodano Formation.
Biostratigraphy:
Age: Upper Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
MN 7832-V: 3 fused synsacral vertebrae lacking the corpus vertebrae.
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Species: geitononesos IRAZOQUI, HOSPITALECHE, PAULINA-CARABAJAL, BONA & VEGA, 2026
Etymology: Greek, geiton, “neighbor” and Greek, nesos, “Island”, in reference to the occurrence of this species on Marambio Island, neighbouring Vega Island, the locality of the type species.
Holotype: MLP-PV 15-I-7-52
Locality: Marambio (Seymour) Island, 63°30’-65”S, 57-58°W, part of the James Ross Island Group, northeastern tip of Antarctic Peninsula.
Horizon: Unit 9 Molluscan Allomember, Sandwich Bluff Member Upper Lopez de Bertodano Formation.
Biostratigraphy:
Age: Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material: Skull lacking the upper beak, with the left side damaged and the right side complete, consisting of the complete right quadrate and pterygoid, caudal end of the right palatine, mandibles without symphysis, posterior (10th?) cervical vertebrae and indeterminate fragmentary vertebrae, ribs, incomplete right pelvis including the preacetabular wing of the ilium, proximal portion of the pubis, and part of the ischium, anterior right portion of the synsacrum, distal end of the femur and the proximal half of the right tarsometatarsus.
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Species: notopothousa IRAZOQUI, HOSPITALECHE, PAULINA-CARABAJAL, BONA & VEGA, 2026
Etymology: Greek, notos, “south” and Greek, pothos, “longing or nostalgia” in reference to the sense of longing for Antarctica implied by the southern provenance of the fossil and its deposition in a Northern Hemisphere repository.
= Vegavis iaai TORRES, CLARKE, GROENKE, LAMANNA, MacPHEE, MUSSER, ROBERTS & O'CONNOR, 2022, 2025
referred material
Holotype: AMNH FARB 20899
Locality: Vega Island, Antractica.
Horizon: Sandwich Bluff Member, Unit 1.
Biostratigraphy:
Age: Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material: Partial skull that includes its natural endocast, basicranium, the anterior portion of the palatines, a partial beak and an almost complete mandible.