Genus: Patagopelta RIGUETTI, PEREDA-SUBERBIOLA, PONCE, SALGADO, APESTEGUIA, ROZADILLA & ARBOUR, 2022
Etymology: Patago, referring to the Argentinian Patagonia, and Greek, pelta, "shield." In reference to the region of the fossil site and the presence of a large number of osteoderms covering the dorsal surface of the body, respectively.

Species: cristata RIGUETTI, PEREDA-SUBERBIOLA, PONCE, SALGADO, APESTEGUIA, ROZADILLA & ARBOUR, 2022
Etymology: Latin, crastata, "crest." In reference to the presence of the diagnostic cresats on both the anterior surface of the femur and the lateral osteoderm of the cervical rings.
= Ankylosauria gen sp indet CORIA & SALGADO, 2001

Holotype: MPCA-SM-78

Locality: Salitral Moreno, 25 km South of General Roca, Rio Negro Province, Argentina.

Horizon: Lower member, Allen Formation, Lower Malargue Group.

Biostratigraphy:

Age: Allenian Tetrapoda Assemblage, Late Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Cervical half ring element.

Paratypes:

MCPA-SM 1: Small right femur.

MPCA-Pv-41, 42, 43, 74, 75, 76, 715 to 725: Postcervical conical dermal plates.

MPCA-Pv-68, 69, 70, 701, 702: 5 posterior dorsal vertebrae.

MPVA-Pv-71: Caudal vertebra.

MPCA-Pv-72/73: 2 caudal centra.

MPCA-Pv-77: Tooth.

MPCA-Pv-78: 2 fused dermal plates.

MPCA-SM-700a: Partial cervical neural arch; associated with the osteoderm 700b.

MPCA-SM-700b: Osteoderm associated with vertebra 700a.

MPCA-SM-703, 704: Synsacral compound elements.

MPCA-SM-705, to 708: Caudal vertebrae.

MPCA-SM-709: Partial femur.

MPCA-SM-710: Quadratojugal boss.

MPCA-SM-711 to 714: Cervical half-ring osteoderms.

Referred material:

AGNOLIN, ROZADILLA, MARSA, NOGUEIRA, MINER, ALVAREZ-HERRERA, NOVAS & POL, 2026

Locality: Quarry 'Cantera 1', Salitral Moreno, 25 km South of General Roca, Rio Negro Province, Argentina.

Horizon: Lower member, Allen Formation, Lower Malargue Group.

Biostratigraphy:

Age: Allenian Tetrapoda Assemblage, Late Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

MPCN-Pv 1110: Left nasal.

MPCN-Pv 1111: Right frontal.

MPCN-Pv 1112: Left supraorbital element.

MPCN-Pv 1113: Left postorbital.

MPCN-Pv 1114: Indeteriminate bone, probably a postsupraorbital.

MPCN-Pv 1115: Probable margin of parietal bone.

MPCN-Pv 1116: Anterior fragment of left maxilla.

MPCN-Pv 1117: 2 incomplete left quadratojugal bones.

MPCN-Pv 1118: 2 fragmentary maxillae represented by alveolar region.

MPCN-Pv 1119: Indeterminate skull roof fragments.

MPCN-Pv 1120: 2 complete teeth.

MPCN-Pv 1121: Atlas neural arch.

MPCN-Pv 1122: Incomplete posterior cervical vertebra.

MPCN-Pv 1123: 2 eroded dorsal vertebra.

MPCN-Pv 1124: Nearly complete posterior dorsal vertebra.

MPCN-Pv 1125: Incomplete neural arch of a posterior dorsal vertebra.

MPCN-Pv 1126: Incomplete sacrum associated to corresponding left and right lia, and a osteoderm.

MPCN-Pv 1127: Nearly complte sacrum associated with a osteoderm adn proximal right ischium.

MPCN-Pv 1128: 2 badly eroded fused centra of a small individual that belong to the anterior part of the sacrum, 2 isolated sacral centra.

MPCN-Pv 1129: Anteriormost porxomal caudal.

MPCN-Pv 1130: 2 anterior proximal caudals.

MPCN-Pv 1131: 3 posterior proximal caudals.

MPCN-Pv 1132: 3 mid-caudals.

MPCN-Pv 1133: 6 distal caudals.

MPCN-Pv 1134: 2 distal caudals.

MPCN-Pv 1135: Incomplete ribs.

MPCN-Pv 1136: Proximal end of dorsal rib.

MPCN-Pv 1137: Right humerus lackign proximal and distal ends.

MPCN-Pv 1138: Left fibual lacking the distal end.

MPCN-Pv 1139: Phalanx II-1 of leftfoot.

MPCN-Pv 1140: Right pre-acetabular processes of ilium.

MPCN-Pv 1141: 4 incomplete scutes formation part of the cervical rings.

MPCN-Pv 1142: 2 incomplete osteoderms proably belong to the cervical area.

MPCN-Pv 1143: Incomplete pectoral osteoderm.

MPCN-Pv 1144: Complete fused sacral osteoderms.

MPCN-Pv 1145: 6 incomplete osteoderms prepresenting part of the sacral pavement.

MPCN-Pv 1146: Block of partial pavement.

MPCN-Pv 1147: Conical osteoderms belong to the thoracic and pectoral areas of the body.

MPCN-Pv 1148: 3 lateral osteoderms belonging to the thoracic region of the body.

MPCN-Pv 1149: 2 small osteoderms of the lateral side of the body.

MPCN-Pv 1150: Nearly com;elte right splate.

MPCN-Pv 1151: 2 incomplete splates probably coming from the left side of the body.

MPCN-Pv 1152: Incomplete spine coming from a splate.

MPCN-Pv 1153: 10 lateral spines of the splate.

MPCN-Pv 1153: 10 lateral spines of the tail.

MPCN-Pv 1154: Lateral osteoderm formign part of teh caudal weapon.

MPCN-Pv 1155: Interstitial osteoderm.

 

Localitiy: Quarry "Cantera Ankylo', Salitral Moreno, 25 km South of General Roca, Rio Negro Province, Argentina.

Horizon: Lower member, Allen Formation, Lower Malargue Group.

Biostratigraphy:

Age: Allenian Tetrapoda Assemblage, Late Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

MPCN-Pv 1156: 2 incomplete posterior cervical vertebrae.

MPCN-Pv 1157: 2 incomplete ribs.

MPCN-Pv 1158: Pedal ungual phalanx of digit digit II.

MPCN-Pv 1159: Poorly preserved pedal ungual phalanx probably the right digit IV.

MPCN-Pv 1160: Incomplete fused sacral osteoderm.

MPCN-Pv 1161: 2 incomplete left lateral osteoderms from the base of the tail.

MPCN-Pv 1162: Conical osteoderm belonging to th ethoracic adn pectoral areas of the body.

 

Localitiy: Indetermiante quarry, Salitral Moreno, 25 km South of General Roca, Rio Negro Province, Argentina.

Horizon: Lower member, Allen Formation, Lower Malargue Group.

Biostratigraphy:

Age: Allenian Tetrapoda Assemblage, Late Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

MPCN-Pv 1163: Anterior proximal caudal.

MPCN-Pv 1164: 2 distal caudals.

MPCN-Pv 1165: Left pre-acetabular processes of ilium.

MPCN-Pv 1166: Incompelte osteoderm probably belonging to the midline of the cervical area.

MPCN-Pv 1167: 2 incomplet osteoderms spikes probably from a cervical ring.

MPCN-Pv 1168: Incomplee fragment.

MPCN-Pv 1169.1: 2 lateral osteoderms from the base of the tail.

MPCN-Pv 1169.2: 2 lateral osteoderms forming part of the caudal weapon.

 

= Ankylosauridae incertae sedis MURRAY, RIGUETTI & ROZADILLA, 2019

Locality: About 50 km south of the city of Gral, Roca, eastern region of the Salitral Moreno, Rio Negro Province, Argentina.

Horizon: Lower Member, Allen Formation.

Biostratigraphy:

Age: Late Campanian-Early MaastrichtianStage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

MACN PV RN1149: 5 isolated osteoderms.

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