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Torvosaurus vs 'Edmarka'

Author: Rubén Molina

Silhouettes: Andrey Atuchin unpublished illustrations (EoFauna's dinosaur book project)

Torvosaurus tanneri (BYUVP 4882)
premaxilla 26 cm
127 cm cráneo - skull
11 metros - meters

Torvosaurus gurneyi (ML 1100)
maxilla 63 cm
127 cm cráneo - skull
11 metros - meters

Edmarka rex (CPS 1010)
Pubis 86.6 cm
12 metros - meters


Britt, B., 1991, "Theropods of Dry Mesa Quarry (Morrison Formation, Late Jurassic), Colorado, with emphasis on the osteology ofTorvosaurus tanneri", Brigham Young University Geology Studies 37: 1-72

Bakker, R.T., Siegwarth, J., Kralis, D. & Filla, J., 1992, "Edmarka rex, a new, gigantic theropod dinosaur from the middle Morrison Formation, Late Jurassic of the Como Bluff outcrop region", Hunteria2(9): 1–24

Hendrickx, C.; Mateus, O. V. (2014). «Torvosaurus gurneyi n. sp., the Largest Terrestrial Predator from Europe, and a Proposed Terminology of the Maxilla Anatomy in Nonavian Theropods». PLoS ONE 9 (3):  pp. e88905.

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Csaharicus's avatar
so Edmarka grew up to 12 meters long?
EoFauna's avatar
Yes, and probably over 4 tonnes in body mass.
DenistheTyrant's avatar
Actually maybe up to or 5 tons. The largest Torvosaurus species excluding Edmarka rex weighed up to 4.5 tonnes
SRleotrex444's avatar
vuestro libro es magnifico
EoFauna's avatar
Muchas gracias!!
bLAZZE92's avatar
Why CPS 1010? that specimen doesn't appear in the hypodigm of Torvosaurus in Carrano et al. (2012) nor in that of Hendrickx and Mateus (2014).
EoFauna's avatar
El CPS 1010 es Edmarka rex, ese aparece en el trabajo de Bakker, 1992 en Hunteria. Además para más infomación se puede consultar 

Aún no se sabe si Edmarka rex es válido o sinónimo de Torvosaurus tanneri como lo sugiere Holtz, Molnar and Currie, 2004 y Carrano, Benson and Sampson, 2012 porque no hay un análisis detallado al respecto según cita Mickey Mortimer en su sitio Theropod Database aquí:…

bLAZZE92's avatar
Estaba conciente que aparece en el trabajo de Bakker, es solo que parece haber sido removido del hypodigma en practicamente todos los trabajos recientes que pense que ya no se creia parte de Edmarka rex, pero tienes razón respecto a la falta de un análisis detallado.
DinoBirdMan's avatar
That name of Edmarka rex has swallowed into the "Torvosaurus rex."
bricksmashtv's avatar
ay, another T. rex confirmed! XD
DinoBirdMan's avatar
Yeah, but apparently, T. rex is now a same specie of T. tanneri.
bricksmashtv's avatar
Aw but a second T. rex sounds cooler XD
SpinoInWonderland's avatar
If Edmarka rex really does turn out to be a Torvosaurus species, then there may actually be a ~12-meter Torvosaurus after all!
TheArchosaurQueen's avatar
When I first read about Edmarka rex I thought it could had bee a close relative or maybe a subspecies. But shortly after Torvosaurus gurneyi was announced, I questioned the idea of it being a Torvosaurus species myself. So I'm glad I'm not alone in thinking so.
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