
Jon A. Baskin - Texas A&M University-Kingsville
Some information on Texas marine reptiles which are not archosaurs is also presented. Scroll down or click here.
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LONE STAR DINOSAURS

The definitive and necessary reference: Lone Star Dinosaurs. by Louis Jacobs. College Station: Texas A& M University Press. 1995. 160p.
The Lone Star dinosaur exhibit sponsored by the Fort Worth Museum of Science and History and the Shuler Museum of Paleontology at Southern Methodist University is based on Dr. Louis Jacobs' book, Lone Star Dinosaurs (1995, Texas A&M University Press), featuring the original artwork of Karen Carr, whose official website is at: www.karencarr.com.
T. Michael Keesey's "The
Dinosauricon" used to list Dinosaurs by Location, including those from Texas, but
at present (8/2000) no longer does so. However you can download (in WordPerfect
format) a list of dinosaurs by
continent.
Texas dinosaurs
are also discussed and illustrated on Texas Parks and Wildlife / kids' page.
The dinosaurs of
Texas lists them (note the differences with Keesey's page.)
A list of Texas dinosaurs from Dinodata also lists Texas dinosaurs by formation and provides links to further information.
The archosaurs from North-Central Texas are summarized in Jacobs and Winkler (1998).
Somewhat dated lists of Texas dinosaur distribution are in Weishampel (1990).
Lundelius (1986) includes a summary of Cretaceous fossils from the Balcones Fault trend.
Texas Dinosaurs: Life and Death in the Big Bend
-- an exhibit from the Dallas Museum of Natural History
TEXAS DINOSAURS
Systematics
Superorder Dinosauria
Order Saurischia
Suborder THEROPODA
Infraorder Herrerasauria
? Herrerasauria incertae sedis
Protoavis texensis
Spinosuchus caseanus (may not be a dinosaur)
Family Herrerasauridae
Caseosaurus crosbyensis
Infraorder Carnosauria
Superfamily Allosauroidea
Acrocanthosaurus atokensis
Infraorder Coelurosauria
Superfamily Tyrannosauroidea
Family Tyrranosauridae
Tyrannosaurus rex
Saurornitholestes cf. langstoni
Maniraptora
cf. Deinonychus spp.
Ricardoestesia cf. gilmorei
Ricardoestesia isoceles
Suborder Sauropodamorpha
Infraorder SAUROPODA
?Family Brachiosauridae
Paluxysaurus
jonesi
Family Titanosauridae
Alamosaurus sanjuanensis
Order Ornithischia
Suborder FABROSAURIA
Family Fabrosauridae
Technosaurus smalli
Tecovasaurus murryi (may not be a dinosaur)
Suborder ORNITHOPODA
Family Hypsilophodontidae
new species near Hypsilophodon foxi
Family Iguanodontidae
Tenontosaurus dossi
Tenontosaurus tilletti
Family Hadrosauridae
Protohadros byrdii
Gryposaurus sp. (Kritosaurus cf.
navajovius)
cf. Edmontosaurus sp.
lambeosaurine indet.
unnamed hadrosaur
Suborder Thyreophora
Infraorder ANKYLOSAURIA
Family Nodosauridae
Texasetes pleurohalio
Pawpawsaurus campbelli
Edmontonia rugosidens
unnamed
ankylosaurs
Suborder Marginocephalia
Infraorder PACHYCEPHALOSAURIA
Family Pachcephalosauridae
Stegoceras sp.
Infraorder CERATOPSIA
Family Ceratopsidae
Chasmosaurus mariscalensis
Torosaurus cf. latus
undetermined
genus and species
Texas Dinosaurs by Time
_____________________________________________________________________ |late LATE CRETACEOUS Big Bend Region - West Texas | |_____________________________________________________________________| | | Black Peaks Formation | | Maastrichtian | Javelina Formation El Picacho Formation | |__________________|__________________________________________________| | | Aguja Formation San Carlos Formation | | Campanian | Pen Formation | | | | | Santonian | | | Coniacian | | |__________________|__________________________________________________|
Tyrannosaurus rex?
Ricardoestesia
Saurornitholestes
Alamosaurus sanjuanensis
Gryposaurus sp.
cf. Edmontosaurus sp.
indeterminate lambeosaurine
Stegoceras sp.
Chasmosaurus mariscalensis
Torosaurus cf. latus
Edmontonia rugosidens
unnamed nodosaurids
______________________________________________ |early LATE CRETACEOUS North-Central Texas | |______________________________________________| | Turonian | | |______________________________________________| | Cenomanian | Woodbine Formation | |______________________________________________|
Protohadros byrdii
unnamed nodosaurid
unnamed hadrosaur
cf. Ricardoestesia
____________________________________________________ |late EARLY CRETACEOUS North-Central Texas | |____________________________________________________| | | | | | | |_________| | | | | | | | W | | | | | | A G | | | | | | C r | Paw Paw Formation | | | | | H o | | | | | | I u | | | | | | T p | | | E | A | C | A | | | a | L | O | | | | r | B | M | | | | l | I | A |_______|____________________________| | y | A | N | | | | N | C | Fredericksburg Group | | C | | H | | | R | | E |____________________________________| | E | | E | T | | A | | T | | | r G | Paluxy Fm | n | | A | | S | i r | | t F | | C |_____| E | n o | Glen Rose Fm | l m | | E | A | R | i u | | e | | O | P | I | t p | Twin Mountains Fm| r | | U | T | E | y | | s | | S | I | S | | | | | A | | | | | | N | | | | |___|_____|_____|______|_____________________________|
Acrocanthosaurus atokensis
cf. Deinonychus
Paluxysaurus jonesi
new species near Hypsilophodon foxi
Tenontosaurus dossi
Tenontosaurus tilletti
Texasetes pleurohalio
Pawpawsaurus campbelli
unnamed nodosaurids
_______________________________________________________________ |LATE TRIASSIC Texas Panhandle, West Texas | |_______________________________________________________________| | | | | Rhaetian | | |__________________| | | | Dockum Group | | Norian | Bull Canyon Member | |__________________| | | | Tecovas Member | | Carnian | Colorado City Member | | | Camp Springs Member | |__________________|____________________________________________|
Caseosaurus crosbyensis (may not be a dinosaur,
but is likely a dinosauriform)
Protoavis texensis
(in part)
Spinosuchus caseanus (may not be a dinosaur)
Technosaurus smalli (may not be a dinosaur)
prosauropod indet. (may not be a dinosaur)
Tecovasaurus murryi (may not be a dinosaur)
Nesbitt and others (2007) reviewed the putative record of late Triassic record dinosaurs in North America. The only taxa from Texas that they assigned to the Dinosauria is Protavis texensis (in part).
Classification
Classification
Caseosaurus Hunt, Lucas, Heckert & Lockley, 1998
Type and only species: Caseosaurus crosbyensis Hunt, Lucas, Heckert, Sullivan & Lockley, 1998
Locality
Comment
Protoavis Chatterjee,
1991
Type and only species: Protoavis texensis Chatterjee, 1991
:Locality
Comment
Spinosuchus von Huene, 1932
Type and only species: S. caseanus von Huene, 1932
Locality
Comment
Classification
Type and only species: A. atokensis Stovall and Langston, 1950
Classification
Distribution
Etc.
© Karen Carr, used by permission of Louis L. Jacobs; click to enlarge
Classification
Tyrannosaurus Osborn,
1905
Classification
Tyrannosaurus rex Osborn, 1905 (type)
Texas Locality
Texas material.
Saurornitholestes
Sues, 1970
Classification
Sauronitholestes cf. langstoni Sues, 1970
Texas Locality
Texas material.
cf. Deinonychus
Classification
Texas Localities
Ricardoestesia Currie, Rigby, and Sloan, 1990
Classification
Ricardoestia cf. gilmorei Currie, Rigby, and Sloan, 1990
Ricardoestia isosceles Sankey, 2001
Texas Localities
Theropoda indet.
Classification
Classification
Type and only species: Paluxysaurus jonesi Rose 2007
Locations
Comments

Image from Roland T. Bird’s, “A Dinosaur Walks into the Museum,” published in Natural History, February 1941., reprinted with permission.
© Karen Carr, used by permission of Louis L. Jacobs; click to enlarge
Tidwell and Carpenter (2003) describe the braincase of a titanosauriform sauropod from the Glen Rose Formation in Blanco County. It is described as having strong similarilarities with brachiosaurids and titanosaurids.
Classification
Distribution
Comments
Classification
Technosaurus
Chatterjee, 1984.
Type and only species: T. smalli Chatterjee, 1984 (type)
Location and age: Dockum Group, Texas Panhandle, Norian (late Triassic).
Comment:
Tecovasaurus Hunt & Lucas, 1994
Type and only species: T. murryi Hunt & Lucas, 1994 (type)
Localities
Comment
Classification
Hypsilophodont - new species, similar to Hypsilophodon foxi (see Winkler and others, 1988; Winkler and Murry, 1989)
Classification
Location
Comments
© Karen Carr, used by permission of Louis L. Jacobs; click to enlarge
Tenontosaurus
Classification
Comments
© Karen Carr, used by permission of Louis L. Jacobs; click to enlarge
Tenontosaurus dossi Winkler and others, 1997.
Location
Comments
Tenontosaurus tilletti?
Comment
Classification
Type and only species: Protohadros byrdii Head 1998
Location
Comment
Main and Fiorello (2003) report finding hadrosaur postcrania along the shores of Lake Grapevine from the Woodbine Formation.
Kritosaurus Brown, 1910 or Gryposaurus Lambe, 1914
Texas species:
Comment
Infraorder PACHYCEPHALOSAURIA
Family Pachcephalosauridae
Stegoceras sp. has been reported
from the San Carlos Formation (Lehmann cited in Weishampel, 1990). Teeth from the Aguja Formation assigned to cf. Troodon
(Rowe et al., 1992) have been identified as belonging to a pachycephalosaurid.
Classification
Comment
Agujaceratops
Chasmosaurus mariscalensis Lehman, 1989
Agujaceratops mariscalensis Lucas, Sullivan, and Hunt
2006
Distribution
Comments
Torosaurus Marsh, 1891
Type species
Distribution
Comments
Genus and species undetermined Lehman 1996
Distribution
Classification
Comment
Pawpawsaurus Lee, 1996
Type and only species: Pawpawsaurus campbelli Lee, 1996
Location
Material
Texasetes Coombs, 1995
Type and only species: Texasetes pleurohalio Coombs, 1995.
Location
Material
Comment
Nodosauridae indet.
Edmontonia Sternberg, 1928
Texas species: Edmontonia rugosidens (Gilmore, 1930) is reported from the Aguja formation.
Dinosaur footprint in Glen Rose Formation near Tarpley, Texas. Click on image to enlarge
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Shuvosaurus
Type and only species
Location
Comment
- Howard County, Texas, Colorado City Formation, Dockum Group, late Carnian, late Triassic (Heckert and Lucas, 1999)
Triassic phytosaurs resemble modern alligators which inhabit southeast Texas today, but the resemblance is only superficial. For example, the nostrils of an alligator are on the tip of the snout, while the nostrils of a phytosaur are between its eyes. The similarity of appearance results from convergent evolution - adaptation to a similar kind of lifestyle by different kinds of animals.
Postosuchus kirkpatricki
Chatterjeea elegans
Location
Pachycheilosuchus trinquei
Glen Rose Formation
Deinosuchus rugosus
(=Phobosuchus riograndensis)
upper Aguja Formation
(crocodile classification: Brochu, 1997, Jour. Vert. Paleont., 17:679-697; 2003, Ann. Rev. Earth Planet. Sci., 31:357-397.)
Goniopholus cf. G. kirtlandicus
Woodbineosuchus byersmaurecei Lee, 1997
Pterosaurs soared over the oceans of Texas more than 100 million years ago
Eudimorphodon
Quetzalcoatlus sp. Keller and Langston, 1996, JVP 16:222-231.
Coloborhynchus wadleighi Lee, 1994
Azhdarichiidae indet.
Pterosauria indet.
These aquatic sauropterygian lepidosauromorphs of the Mesozoic epicontinental seaways have four paddle-shaped (Wing-fins of Adams, 1998) limbs. Both long necked (plesiosauroids or elasmosaurs) and short necked forms (pliosauroids) are present in Texas. In a published abstract of his unpublshed 1981 thesis, Storrs (1983) states that nine genera of plesiosaurs are known from Texas. The abstract briefly discusses four genera: Trinacromerum, Thalassomedon, ?Alzadasaurus, and Polyptychodon.
Libonectes morgani (Welles 1949) is a very long-necked elasmosaurid plesiosaur from the Britton Formation, Eagle Ford Group, near Cedar Hill, Dallas County, Texas.
Ceraunosaurus brownorum Thurmond is a short-necked pliosaur from the Lake Waco Formation (Cenomanian). Storrs (1981) states that this genus "is an obvious specific variant of Tricanomerum."
Brachauchenius lucasi, a very large pliosaur, was first collected in Kansas (Williston, 1903). A second specimen (UNSM 2361) was collected from the Eagle Ford formation near Austin, Texas (Williston, 1907). A skull from Kansas is about 1.5 m. long.
Trinacromerum bonneri Adams is known from the latest Cretaceous Taylor Marl, as well as the type locality in South Dakota. Trinacromerum is a pliosaur, all high speed swimmers, of which this is the fastest.
These are giant marine, varanoid lizards, that may be ancestral to snakes. Their diet included ammonites. Recently, Tomoki Kase (Geology, 1998) indicated that the putative puncture marks are weakened areas of the shell where limpets attached to the dead ammonites' shells. This has been disputed and evidence for mosasaur predation on ammonites has been strongly supported (Tsujita and Westermann, Palaeogeography, Palaeoclimatology, Palaeoecology, 2001; Kauffman, PALAIOS, 2004).
Mosasaurus maximus: the Onion Creek mosasaur
Globidens
Russellosaurus coheni
Ichthyosaurs are the most fully-aquatic reptiles. They are now classified as primitive diapsids
Main and Fiorello (2002) note in an abstract that the common Cretaceous genus Platypterygius is known from the Grayson Marl (lower Cretaceous) in Tarrant County. Platypterygius has a better fossil record in Australia
Adams D.A. 1997. Trinacromerum bonneri, New species, last and fastest pliosaur of the Western Interior Seaway. Texas Journal of Science, 49(3): 179-198.
Andres, B. 2006. The earliest pterosaurs. Journal of Vertebrate Paleontology 26(3 Supplement):37A.
Baghai-Riding, N.L. and DiBenedetto, J.N. 2001. An unusual dinosaur coprolite from the Campanian Aguja Formation, Texas. Transactions of the Gulf Coast Association of Geological Societies, Vol.51, p.9-20.
Bailey, J. B. 1997. Neural spine elongation in dinosaurs: sailbacks or buffalo-backs. Journal of Paleontology, 71:1124-1146.
Bell, G. L. and M. J. Polecyn. 2005. Dallasaurus turneri, a new primitive mosasauroid from the Middle Turonian of Texas and comments on the phylogeny of Mosasauridae(Squamata). Netherlands Journal of Geosciences, Geologie en Mijnbouw, 8:177-194.
Brinkman, D. L., Cifelli, R., and Czaplewski, N. J. 1998. First occurrence of Deinonychus antirrhopus (Dinosauria: Theropoda) from the Antlers Formation (Lower Cretaceous: Aptian-Albian) of Oklahoma. Oklahoma Geological Survey, Bulletin 146:1-27.
Caldwell, M. W. and G. L. Bell. 1995. Halisaurus sp (Mosasauridae) from the upper Cretaceous (?Santonian) of east-central Peru, and the taxonomic utility of mosasaur cervical vertebrae Journal of Vertebrate Paleontology, 15(3): 532-544.
Carr T. D. and T. E. Williamson. 2000. A Review of Tyrannosauridae (Dinosauria, Coelurosauria) from New Mexico. New Mexico Museum of Natural History and Science Bulletin 17: 113–146.
Carr T. D. and T. E. Williamson. 2004. Late Maastrichtian tyrannosaurid diversity. Zoological Journal of the Linnean Society, 142:479–523.
Chatterjee, S. 1984. A new ornithischian dinosaur from the Triassic of North America. Naturwissenschaften 71: 630-631.
Chatterjee, S. 1993. Shuvosaurus, a new theropod. Research & Exploration, 9: 274-285.
Coombs, W. P., Jr. 1995. A new nodosaurid ankylosaur (Dinosauria, Ornithischia) from the Lower Cretaceous of Texas. Journal of Vertebrate Paleontology 15: 298-312.
Erickson, G. M. and Brochu, C. A. 1999.How the 'terror crocodile' grew so big. Nature 398: 205-206.
Farlow, J. O., Pittman, J. G., and Hawthorne, J. M., 1989. Brontopodus birdi, Lower Cretaceous sauropod footprints from the U.S. Gulf Coastal Plain. Pp. 371–394, in Gillette, D. D.; and Lockley, M. G. (eds.), Dinosaur tracks and traces: Cambridge University Press, Cambridge.
Farke, A. A. 2002. A review of Torosaurus (Dinosauria: Ceratopsidae) specimens from Texas and New Mexico. Journal of Vertebrate Paleontology 22(3 Supplement):52A.
Forster, C. A., P. C. Sereno, T. W. Evans, and T. Rowe. 1993. A complete skull of Chasmosaurus mariscalensis (Dinosauria: Ceratopsidae) from the Aguja Formation (Late Campanian) of west Texas. Journal of Vertebrate Paleontology 13:161-170.
Gates, T. A. and S. D. Sampson. 2007 A new species of Gryposaurus (Dinosauria: Hadrosauridae) from the late Campanian Kaiparowits Formation, southern Utah, USA. Zoological Journal of the Linnean Society, 151:351–376.
Harris, J. D. 1998. A reanalysis of Acrocanthosaurus atokensis, its phylogenetic status, and paleobiogeographic implications, based on a new specimen from Texas. New Mexico Museum of Natural History and Science, Bulletin 13: 1-75.
Hawthorne, J. M. 1990. Dinosaur track-bearing strata of the Lampassos Cut Plain and Edwards Plateau, Texas. Baylor Geological Studies, Bulletin 49:1-46.
Hawthorne, J. M., R. M. Bonem, J. O. Farlow, and J. O. Jones. 2002. Ichnology, stratigraphy, and paleoenvironment of the Boerne Lake spillway dinosaur tracksite, South-central Texas. Texas Journal of Science, 54: 309-324.
Heckert, A. B. and S .G. Lucas. 1999. A new aetosaur from the Upper Triassic of Texas and the phylogeny of aetosaurs. Journal of Vertebrate Paleontology, 19:50–68.
Head, J. J. 1998. A new species of basal hadrosaurid (Dinosauria, Ornithischia) from the Cenomanian of Texas. Journal of Vertebrate Paleontology, 18:718-738).
Hunt, A. and S. Lucas. 1993. Cretaceous vertebrates of New Mexico. in Vertebrate Paleontology in New Mexico. New Mexico Museum of Natural History and Science Bulletin 2: 77-91.
Hunt, A. and S. Lucas. 1994. Ornithischian dinosaurs from the Upper Triassic of the United States. pp. 226-241 in (Fraser, N. C. and H. D. Sues, eds.) In the shadow of dinosaurs, Early Mesozoic tetrapods. Cambridge University Press.
Hunt, A., S. Lucas, A. Heckert, R. Sullivan, and M. Lockley. 1998. Late Triassic dinosaurs from the western United States. Geobios, 31:511-531.
Irmis, R. B. 2005. The vertebrate fauna of the Upper Triassic Chinle Formation in northern Arizona. p. 63-88 in S. J. Nesbitt, W. G. Parker, and R. B. Irmis (eds.) Guidebook to the Triassic formations of the Colorado Plateau in northern Arizona: geology, paleontology, and history. Mesa Southwest Museum, Bulletin 9.
Jacobs, L. L., 1995. Lone Star Dinosaurs. Texas A&M University Press.
Jacobs, L. L. and D. A. Winkler. 1998. Mammals, archosaurs, and the early to late Cretaceous transition in North-Central Texas. in Tomida, Y., Flynn, L. J., and Jacobs, L. L. (eds.), Advances in vertebrate paleontology and geochronology. National Science Museum, Tokyo, Monographs, 14:253-280.
Jacobs, L. L., Winkler, D. A., Murry, P. A., and Maurice, J. M. 1994. A nodosaurid scuteling from the Texas shore of the Western Interior Seaway. p. 337-346 in (Carpenter, K., Hirsch, K. F., and Horner, J. R., eds) Dinosaur eggs and babies. Cambridge University Press, Cambridge.
Kellner, A.W.A. and Langston, W., Jr. 1996. Cranial remains of Quetzalcoatlus (Pterosauria, Azhdarchidae) from the Late Cretaceous sediments of Big Bend National Park, Texas. Journal of Vertebrate Paleontology 16: 222-231.
Kuban, G. J. 1989. Color distinctions and other curious features of dinosaur tracks near Glen Rose, Texas. p. 427-440 in Gillette, D. D. and Lockley, M. G., (eds.), Dinosaur tracks and traces. Cambridge Univ. Press, Cambridge.
Langston, W. 1974. Nonmammalian Comanchean tetrapods. Geoscience and Man 8:77-102.
Lawson, D.A. 1975. Pterosaur from the latest Cretaceous of West Texas. Discovery of the largest flying creature. Science, 187: 947-948.
Lawson, D. A. 1976. Tyrannosaurus and Torosaurus, Maastrichtian dinosaurs from Trans-Pecos, Texas. Journal of Paleontology, 50: 158-164.
Lee, Y.-N. 1996. A new nodosaurid ankylosaur (Dinosauria, Ornithischia) from the Paw Paw Formation (late Albian) of Texas. Journal of Vertebrate Paleontology 16:232-245.
Lee, Y.-N. 1997. The Archosauria from the Woodbine Formation (Cenomanian) in Texas. Journal of Paleontology 71:1147-1156.
Lee, Y.-N. 1997. Bird and dinosaur footprints in the Woodbine Formation (Cenomanian), Texas. Cretaceous Research, 18:849-864.
Lehman, T. H.. 1989. Chasmosaurus mariscalensis, sp. nov., a new ceratopsian dinosaur from Texas. Journal of Vertebrate Paleontology, 9:137-162.
Lehman, T. M. 1996. A horned dinosaur from the El Picacho Formation of West Texas, and review of ceratopsian dinosaurs from the American Southwest. Journal of Paleontology, 70:494-508.
Lehman, T. M. 1998. A gigantic skull and skeleton of the horned dinosaur Pentaceratops sternbergi from New Mexico. Journal of Paleontology, 72: 894-906.
Lehman, T. M. and Coulson, A. B. 2002. A juvenile specimen of the sauropod dinosaur Alamosaurus sanjuanensis from the Upper Cretaceous of Big Bend National Park, Texas. Journal of Paleontology, 76: 156-172 .
Lockley, M. and A. P. Hunt. 1995. Dinosaur tracks and other footprints of the western United States. Columbia University Press, New York. 338 pp.
Long, R. L. and P. A. Murry. 1995. Late Triassic (Carnian and Norian) tetrapods from the southwestern United States. New Mexico Museum of Natural History and Science, Bulletin 4: 1-254.
Lucas, S.G., Sullivan, R.M., Hunt, A.P., 2006, Re-evaluation of Pentaceratops and Chasmosaurus (Ornithischia, Ceratopsidae) in the Upper Cretaceous of theWestern Interior, in Lucas, S. G. and Sullivan, R.M., (eds.) Late Cretaceous vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:367-370.
Lundelius, E. L. 1986. Vertebrate Paleontology of the Balcones Fault trend. p. 41-50 in Abbott, Patrick L. and Woodruff, C. M., Jr. (eds.), The Balcones Escarpment, Central Texas: Published for Geological Society of America Annual Meeting San Antonio, Texas November 9-14, 1986.
Main, D. J. and A. Fiorillo. 2002 . Report of a new Platypterygius (Reptilia: Ichthyosauria) specimen from the Lower Cretaceous rocks of Tarrant County, TX. Journal of Vertebrate Paleontology 22(3):82A (supplement).
Main, D. and A. Fiorillo. 2003. Report of new Cenomanian hadrosaur (Dinosauria: Ornithischia) postcrania from the Woodbine Formation of North Central Texas. Journal of Vertebrate Paleontology. 23(3 Supplement):75A.
Martz, J. W. and B. J. Small. 2006. Tecovasuchus chatterjeei, a new aetosaur (Archosauria: Stagonolepididae) from the Tecovas Formation (Carnian, upper Triassic) of Texas. Journal of Vertebrate Paleontology 26:308–320.
Milne, D. H. and Schafersman, S. D. 1983. Dinosaur tracks, erosion marks and midnight chisel work (but no human footprints) in the Cretaceous limestone of the Paluxy River bed, Texas. Journal of Geological Education, 31: 111-123.
Murry, P. 1986. Vertebrate paleontology of the Dockum Group, western Texas and eastern New Mexico. pp. 109-137 in K. Padian (ed.), The beginning of the age of dinosaurs; Faunal change across the Triassic-Jurassic boundary. Cambridge University Press, Cambridge, England.
Murry, P. A., D. A. Winkler, and L. L. Jacobs. 1991. An azhdarchid pterosaur humerus from the Lower Cretaceous Glen Rose Formation of Texas. Journal of Paleontology 65: 167-170.
Nesbitt, S. J. and M. A. Norell. 2006. Extreme convergence in the body plans of an early suchian (Archosauria) and ornithomimid dinosaurs (Theropoda). Proceedings of the Royal Society B: Biological Sciences, 273:1045-1048.
Nesbitt, S. J., R. B. Irmis, and W. G. Parker. 2007. A critical reevaluation of the Late Triassic dinosaur taxa of North America. Journal of Systematic Palaeontology 5(2):209-243
Parker, W. G. 2005. A new species of the Late Triassic aetosaur Desmatosuchus (Archosauria: Pseudosuchia). Comptes Rendus Palevol, 4:327-340.
Polcyn, M. J. and G. L. Bell. 2005a. The rare mosasaur genus Globidens from North Central Texas (Mosasaurinae:Globidensini). Journal of Vertebrate Paleontology, 25 (3 Supplement):101A.
Polecyn, M. J. and G. L. Bell. 2005b. Russellosaurus coheni n. gen., n. sp., a 92 million-year-old mosasaur from Texas (USA), and the definition of the parafamily Russellosaurina Netherlands Journal of Geosciences, Geologie en Mijnbouw, 8:321-333.
Rauhut, O. 1997. Zur Schädelanatomie von Shuvosaurus inexpectatus (Dinosauria, Theropoda). In: Sachs, S., Rauhut, O. W. M. and Weigert, A. (eds), Erstes Treffen der deutschsprachigen Palaeoherpetologen. Extended Abstracts. Terra Nostra. 97/9: 17-21
Rogers, J. V., II. 2000. A complete crocodiloid egg from the Lower Cretaceous (Albian) Glen Rose Formation, central Texas. Journal of Vertebrate Paleontology, 20:780-783.
Rogers, J. V., II. 2002. Theropod dinosaur trackways in the Lower Cretaceous (Albian) Glen Rose Formation, Kinney County, Texas. Texas Journal of Science, 54:133-142.
Rogers, J. V., II. 2003. Pachycheilosuchus trinquei, a new procoelous crocodyliform from the Lower Cretaceous (Albian) Glen Rose Formation of Texas. Journal of Vertebrate Paleontology, 23:128-145.
Rose, P. J., 2007. A new titanosauriform sauropod (Dinosauria: Saurischia) from the Early Cretaceous of Central Texas and its phylogenetic relationships. Palaeontologia Electronica Vol. 10, Issue 2; 8A:65p, 2.6MB; http://palaeo-electronica.org/paleo/2007_2/00063/index.html (PDF: 65 pages)
Rowe, T., R. L. Cifelli, T. M. Lehman, and A. Weil. 1992. The Campanian Terlingua Local Fauna, with a summary of other vertebrates from the Aguja Formation, Trans-Pecos Texas. Journal of Vertebrate Paleontology, 12: 472-493.
Sankey, J. T. 2001. Late Campanian southern dinosaurs, Aguja Formation, Big Bend, Texas. Journal of Paleontology 75:208-215.
Schwimmer, D. R. 2002. King of the Crocodylians: The Paleobiology of Deinosuchus. Indiana University Press, Bloomington, 240 pp.
Small, B. J. 1989. Aetosaurs from the Upper Triassic Dockum Formation, Post Quarry, West Texas. In: S.G. Lucas and A.P. Hunt, Editors, Dawn of the age of dinosaurs in the American Southwest, University of New Mexico Press, Albuquerque, pp. 301–308.
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