Genus: Hungarosaurus OSI, 2005
Etymology: In reference to the country of Hungary, where the specimens where found, and Greek, sauros, "lizard."
= Genus: Nova OSI, 2002

Species: tormai OSI, 2005
Etymology: In honor of Andras Torma with whom the locality was discovered.

Holotype: MTM 2007.26.1-2007.26.34, 2007.89.1, 2007.89.2 (orginally MTM Gyn404)

Locality: Iharkut, Veszprem County, Bakony Mountians, Transdanubian Range, western Hungary.

Horizon: Csehbanya Formation.

Biostratigraphy:

Age: Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Left and right premaxilla with 1 tooth, right postorbital and jugal, ?left prefrontal, left lacrimal, and frontal, poserior part of the pterygoid, left and right quadrate, condylus occipitalis, 22 teeth, 1 hyoid? bone, ?vomer, anterior end of left nasals, right fragmentary mandible, 3 cervical, and 6 dorsal vertebrae, fragments of synscarmu, 10 caudal vertebrae, 9 cervical, 38 complete or fragmentary dorsal, and 6 sacral ribs, 5 chevrons, 2 tendons, left complte and right fragmentary scapulocoracoideum, left and right fragmentary ilum, left ischium, right femur, right fibula, phalanges and ungual phalanges, several dozen osteoderms and cervical half -rings, dorsal scute-like osteoderms, rectangular pelvic armor fragments and caudal osteoderms.

Paratypes:

MTM 2007.22.1 (originally MTM Gyn/405): 1 anterior dorsal vertebra, cervical and dorsal ribs, 1 half-ring osteoderm, some small circular osteoderms.

MTM 2007.24.1-2007.26.10 (originally MTM Gyn/406): Fragmentary ulna, distal end of a femur?, one metapodium, fragmentary ribs and osteoderms.

MTM 2007.23.1-2007.23.5, 2007.90.1, 2007.90.2 (originally MGM Gyn/407): Sacrum with sacral rod, left ilium, right fragmentary ilium, left and right ischia, sacral fused osteoderms.

Referred material:

Hungarosaurus tormai (modified from ŐSI, 2005), composite skull.

ŐSI & MAKADI, 2007, 2009

MTM 2007.25.1-2007.25.30: Left mandible, right dentary, several dorsal and caudal vertbrae, the sacrum without sacral rod, cervical and dorsal ribs, paravertebral elements, left scapulocoracoid, right humerus, both ulnae, ?right radius, four metacarpals, both ilia, right ischium, both femora, left fibula, four metatarrsals, two phalanges, one ungual phalanx, three cervical half-ring osteoderms and several oval, sircular or lance-shaped osteoderms.

MTM V.2003.12: Premaxilla-maxilla fragment.

MTM 2007.26.3: Left fragmentary postorbital.

ŐSI, PEREDA-SUBERBIOLA & FÖLDES, 2014

PAL 2013.23.1: Partial skull and endocast.

ŐSI, BOTFALVAI, ALBERT & HAJDU, 2019

MTM V2010.1.1: Postorbital region.

MTM 2007.28.1: Left fragmentary postorbital.

MTM VER 2017.66, 2016.578, 206.578: Boomerange shaped central osteoderm fragmetns with conical spikes.

ŐSI, BOTFALVAI, ALBERT & HAJDU, 2019, ŐSI & PEREDA-SUBERBIOLA, 2020

MTM PAL 2016.16.1: 3 relatively large, ossifed fragmetns of pelvic armor in assocatied skeleton.

ŐSI, MAGYAR, ROSTA & VICKARYOUS, 2021

MTM PAL 2020.31.1: Partial skull with most of the rostrum including the premaxillae, nasals, the right fragmentary maxilla and the right frontal-supraorbital-?prefrontal-?lacrimal.

MTM PAL 2020.32.1: Partial skull including the partial basicranium, most of the skull roof (frontal, postfrontal, parietal) between and behind the orbits, the two nasals, the left postorbital, left squamosal, most of the leff quadrate and distal end of the right quadrate.

MTM PAL 202o.33.1: Isolated left premaxilla.

MTM PAL 2020.34.1: Isolated right nasal.