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Vertebrate paleofauna

[edit]

Crurotarsans

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Crurotarsans of the Aguja Formation
Genus Species Location Member Material Notes Images

Deinosuchus[1]

D. riograndensis[1]

  • Texas,[1] Chihuahua, and Coahuila[2]
 osteoderm and mandible fragment
Deinosuchus skull reconstruction.

Phobosuchus[1]

P. riograndensis[1]

  • Texas,[1] Chihuahua, and Coahuila

Reclassified as a Deinosuchus species.

Ornithischians

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Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Ornithischians of the Aguja Formation
Genus Species Location Member Material Notes Images

Agujaceratops[3]

A. mariscalensis[3]

  • Low Upper Shale[4]

The type species, A. mariscalensis, was formerly considered a species of Chasmosaurus.[3]

Agujaceratops

Angulomastacator[5]

A. daviesi[5]

Chasmosaurus[6]

C. mariscalensis[7]

"[Twelve] disarticulated skull (sic), postcrania, juvenile."[8]

Considered by paleontologists Lucas, Sullivan, and Hunt to be distinct enough from the Chasmosaurus type species, C. belli to warrant being split off to a new genus, Agujaceratops.[3]

Indeterminate[9]

Edmontonia[7]

Unnamed species[10]

cf. Euoplocephalus[7]

Unnamed species[7]

Unnamed genus and species[11]

Formerly referred to Kritosaurus and Gryposaurus, appears to be an unnamed species related to Secernosaurus.[12]

Kritosaurus[6]

Indeterminate[6]

Texacephale[14]

T. langstoni[14]

  • Low Upper Shale[4]

Saurischians

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Indeterminate ornithomimid remains are known from the Upper Aguja Formation.[15] Indeterminate tyrannosaurid fossils are known from the Upper Aguja Formation of Texas and Mexico.[16]

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Saurischians of the Aguja Formation
Genus Species Location Member Material Notes Images

cf. Daspletosaurus[16]

Indeterminate[16]

cf. Dromaeosaurus[17]

Indeterminate[17]

Leptorhynchos

L. gaddisi

A caenagnathid.

Troodon

Ricardoestesia[19]

R. cf. gilmorei[20]

R. isosceles[19]

Saurornitholestes[7]

S. cf. langstoni[21]

cf. Troodon[22]

Indeterminate[22]

  1. ^ a b c d e f "Aguja Formation (Upper Shale Member), Big Bend Region, Texas," in Sullivan and Lucas (2006). Page 16.
  2. ^ "The first mandible fragment of Deinosuchus (Eusuchia: Alligatoroidea) discovered in Coahuila, Mexico". ResearchGate. Retrieved 2016-03-27.
  3. ^ a b c d e "Abstract," Lucas, Sullivan, and Hunt. (2006).
  4. ^ a b Cite error: The named reference Longrichet al. was invoked but never defined (see the help page).
  5. ^ a b c Wagner and Lehman (2009).
  6. ^ a b c "Dinosaur distribution (Texas and Chihuahua)." Weishampel, et al. (2004). Page 582 and 588.
  7. ^ a b c d e f g h i j k l "Dinosaur distribution (Late Cretaceous; North America; Texas)." Weishampel, et al. (2004). Page 582.
  8. ^ "Table 23.1," in Weishampel, et al. (2004). Page 496.
  9. ^ a b Listed as ?Chasmosaurus sp. in "Dinosaur distribution (Late Cretaceous; North America; Chihuahua)." Weishampel, et al. (2004). Page 588.
  10. ^ Listed as Edmontonia cf. rugosidens in "Dinosaur distribution (Late Cretaceous; North America; Texas)." Weishampel, et al. (2004). Page 582.
  11. ^ Listed as ?Gryposaurus sp. in "Dinosaur distribution (Late Cretaceous; North America; Texas)." Weishampel, et al. (2004). Page 582.
  12. ^ Prieto-Márquez, A. (2013). "Skeletal morphology of Kritosaurus navajovius (Dinosauria:Hadrosauridae) from the Late Cretaceous of the North American south-west, with an evaluation of the phylogenetic systematics and biogeography of Kritosaurini." Journal of Systematic Palaeontology, (advance online publication) doi:10.1080/14772019.2013.770417
  13. ^ "Dinosaur distribution (Late Cretaceous; North America; Chihuahua)." Weishampel, et al. (2004). Page 588.
  14. ^ a b c "Abstract," Longrich, Sankey, and Tanke (2010).
  15. ^ Cite error: The named reference sullivan2006 was invoked but never defined (see the help page).
  16. ^ a b c d Mortimer, M (2004). "Tyrannosauroidea". The Theropod Database. Retrieved 2007-08-21.
  17. ^ a b Listed as cf. Dromaeosaurus sp. in "Dinosaur distribution (Late Cretaceous; North America; Texas)." Weishampel, et al. (2004). Page 582.
  18. ^ Longrich, N. R.; Barnes, K.; Clark, S.; Millar, L. (2013). "Caenagnathidae from the Upper Campanian Aguja Formation of West Texas, and a Revision of the Caenagnathinae". Bulletin of the Peabody Museum of Natural History 54: 23. doi:10.3374/014.054.0102. edit
  19. ^ a b c d "Dinosaur distribution (Late Cretaceous; North America; Texas)." Weishampel, et al. (2004). Page 581.
  20. ^ Listed as R. cf. gilmorei in "Dinosaur distribution (Late Cretaceous; North America; Texas)." Weishampel, et al. (2004). Page 581.
  21. ^ Listed as Saurornitholestes cf. langstoni in "Dinosaur distribution (Late Cretaceous; North America; Texas)." Weishampel, et al. (2004). Page 582.
  22. ^ a b Listed as cf. Troodon sp. in "Dinosaur distribution (Late Cretaceous; North America; Texas)." Weishampel, et al. (2004). Page 582.
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