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File:Graciliceratops Skeleton Reconstruction.jpg

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Description
English: Skeletal diagram featuring the optimal remains of the holotype of Graciliceratops mongoliensis: ZPAL MgD-I/156.[1] Found in the Bayan Shireh Formation, in the original description the remains were referred to the genus Microceratops (now obsolete).[2] However, Sereno in 2000 noted that there was no base for this referral, then, he created a new genus and species for this specimen.[1] The holotype is very fragmented (specially the skull), consisting of:[2]

Fragmented skull; 4 cervical, 12 dorsal and 7 sacral vertebrae; right scapula; proximal end of left scapula; left coracoid; right humerus, radius and fragmentary ulna; proximal and distal end of left humerus; proximal fragments of both pubis; fragments of both illium and fragment of right ischium; right femur, tibia and nearly complete pes; distal part of left tibia, fragmentary left pes; tarsals and isolated ribs.[2]

The sacral vertebrae are not fused, an indicator of the immaturity of this specimen; the estimated adult size is about 2 meters long or similar to Protoceratops.[2][1] Right quadratojugal, quadrate and fragmentary jugal were reversed in order to get an optimal view.

Color Key

  •   Known
  •   Known but partially figured
  •   Unknown

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Español: Diagrama esquelético representando los restos mas óptimos del holotipo de Graciliceratops mongoliensis: ZPAL MgD-I/156. Encontrado en la Formación Bayan Shireh, en la descripción original los restos fueron asignados al genero Microceratops (ahora obsoleto). Sin embargo, Sereno en 2000 noto que no había suficiente base para esta asignación, entonces, creo un nuevo genero y especie para este espécimen. El holotipo es muy fragmentario (especialmente el cráneo), consistiendo de:

Cráneo fragmentado; vertebras, 4 cervicales, 12 dorsales y 7 sacrales (sacrum); escápula derecha; termino próximo de la escápula izquierda; coracoides izquierdo; húmero, radio y ulna fragmentada derechos; termino distal del húmero izquierdo; fragmentos próximos de ambos pubis; fragmentos de ambos iliónes y fragmentos del isquion derecho; fémur, tibia y pie casi completo derechos; termino distal de la tibia izquierda; pie izquierdo fragmentado; tarsos y costillas aisladas.

Las vertebras sacrales no están fusionadas, indicador de la inmadurez de este espécimen; el tamaño adulto estimado es entre 2 metros de largo o similar a Protoceratops. El quadratojugal, cuadrado y el fragmentado jugal derechos, fueron invertidos para tener una visión optima.

References

  1. ↑ a b c "The fossil record, systematics and evolution of pachycephalosaurs and ceratopsians from Asia" in (2000) The Age of Dinosaurs in Russia and Mongolia, Cambridge University Press, p. 489−492
  2. ↑ a b c d (1975). "Protoceratopsidae (Dinosauria) of Asia". Palaeontologia Polonica 33: 134-143.
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Date/TimeThumbnailDimensionsUserComment
current22:05, 3 November 2020Thumbnail for version as of 22:05, 3 November 20203,783 × 2,092 (825 KB)PaleoNeoliticCleanup.
15:04, 8 January 2020Thumbnail for version as of 15:04, 8 January 20206,203 × 3,522 (2.93 MB)PaleoNeoliticUpdated sizes.
02:18, 8 January 2020Thumbnail for version as of 02:18, 8 January 20206,976 × 4,021 (3.28 MB)PaleoNeoliticAdded skull and vertebrae.
00:36, 7 January 2020Thumbnail for version as of 00:36, 7 January 20206,976 × 4,021 (3.21 MB)PaleoNeolitic{{Information |description ={{en|1=Skeletal diagram featuring the optimal remains of the holotype of ''Graciliceratops mongoliensis'': '''ZPAL MgD-I/156'''.<ref name=Sereno2000>{{cite book|last1=Sereno|first1=P. C.|title=The Age of Dinosaurs in Russia and Mongolia|chapter=The fossil record, systematics and evolution of pachycephalosaurs and ceratopsians from Asia|date=2000|publisher=Cambridge University Press|page=489-492|url=https://d3qi0qp55mx5f5.cloudfront.net/paulsereno/i/docs/00-M Foun...
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