Genus: Madtsoia SIMPSON, 1933
Etymology: Tehuelche Indian, mad, “valley,” and Tehuelche Indian, tsoi, “cow”.

Species: madagascariensis HOFFSTETTER, 1961
Etymology: In reference to Madagascar, the country of orign.

Holotype: MNHN MAJ 5

Locality: "Gite du Guide", North of Berivotra, Madagascar.

Horizon: Maevarano Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material: Posterior trunk vertebra.

Referred material:

Locality: 25 km NNW of Marovoay, 35 km SE of Southeast Majunga, Madagascar.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: 2 vertebrae.

LADUKE, KRAUSE, SCANLON & KLEY, 2010

Localities: South of Berivorta; MNHN MAJ 8-MNHN MAJ 10, north of Mahajanga-Ambalabe road, between km 20 and 25; MNHN MAJ 6, MNHN MAJ 7, The Mahajanga Basin Project, Berivotra Study area; MAD93-01, 93-09, 93-14, 93-17, 93-18, 93-25, 93-28, 93-30, 93-33, 93-34, 93-35, 93-36, 93-38, 93-81, 95-14, 96-01, 96-04, 96-32, 98-08, 98-31, 99-13, 99-39, 01-03, 03-03, 03-04, 03-05, 03-09, 05-64, and Masiakakoho Study Area locality; MAD03-23, Madagascar.

Horizon: Maevarano Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material:

FMNH PR 2545-FMNH PR 2549, FMNH PR 2558, FMNH PR 2569, FMNH PR 2702, UA 9688-UA 9693, UA 9703, UA 9728: Anterior trunk vertebrae.

FMNH PR 2550-FMNH PR 2553, MNHN MAJ 9, MNHN MAJ 10, UA 9695, UA 9697, UA 9698, UA 9745: Mid-Trunk vertebrae.

FMNH PR 2554, FMNH PR 2555, MNHN MAJ 7, UA 9700: Posterior trunk vertebrae.

FMNH PR 2556: Cloacal vertebra.

FMNH PR 2557, UA 9701: Post cloacal vertebre.

FMNH PR 2559-FMNH PR 2568, FMNH PR 2570, FMNH PR 2584, FMNH PR 2585, MNHN MAJ 6, MNHN MAJ 8, UA 9694, UA 9696, UA 9699, UA 9702, UA 9727, UA 9704-UA 9712, UA 9715-UA 9718, UA 9721, UA 9726, UA 9727, UA 9729-UA 9731, UA 9735, UA 9736, UA 9738-UA 9744, UA 9747, UA 8765, UA 9766, UA 9768, UA 9772: Fragmentary vertebrae.

UA 9746, UA 9763, UA 9775: Nearly complete ribs.

UA 9764: Complete rib.
Note: Has a pathologic lesion.

FMNH PR 2571, FMNH PR 2582, FMNH PR 2583, UA 9714: Proximal rib fragments.

 

RAGE, 1981

Locality: 90 km east north east of the village of Tahoua, Beceten, Niger, Africa.

Horizon:

Biostratigraphy:

Age: Lower Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Fragmentary vertebrae.

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Species: laurasiae RAGE, 1996
Etymology:
= Madtsoia sp ASTIBIA, BUFFETAUT, BUSCALIONI, CAPPETTA, CORRAL, ESTES, GARCIA-GARMILLA, JAEGER, JIMENEZ-FUENTES LE LOEUFF, MAZIN, ORUE-ETXEBARRIA, PEREDA-SUBERBIOLIA, POWELL, RAGE, RODRIGUEZ-LAZARO, SANZ AND TONG, 1989

Holotype: MCNA 5337

Locality: Disused sand quarry near the village of Lano, Lano quarry, Trevino County, about 20 km SE of the City of Vitoria, Basque-Cantabric Basin, Basque Province, Iberian Peninsula, Spain.

Horizon: Sobrepena Formation.

Biostratigraphy:

Age: Uppermost Campanian-Lowermost Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material: Dorsal vertebrae.

Referred material:

MCNA 5378, 5384: Vertebrae.

MCNA 5385 & 5386: Fragmentary vertebrae.

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Species: pisdurensis MOHABEY, HEAD & WILSON, 2011
Etymology: In reference to Pisdura, Maharashtra State, India, the holotypic locality, Latin, ensis, "place or locality."

Holotype: 225/GSI/PAL/CR/10

Locality: PIS 1, situated less than 1 km from Pisdura, 20°21N, 79°2'E, Maharashtra State, India.

Horizon: Lameta Beds.

Biostratigraphy:

Age: Mid-Late Maastrichtian Stage, Uppermost Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: 2 posterior precloacal vertebra.

Referred material:

Locality: PIS 2, situated less than 1 km from Pisdura, 20°21N, 79°2'E, Maharashtra State, India.

Horizon: Lameta Beds.

Biostratigraphy:

Age: Mid-Late Maastrichtian Stage, Uppermost Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

226/GSI/PAL/CR/10-231/GSI/PAL/CR/10: 10 preloacal vertebrae.