1. Today – 3/8 Finish up clade Allosauroidae

2. Last time Tetanurae – diverse, three or less fingers Allosaurus – Cleveland-Lloyd quarry, best known theropod, kinetic skull designed for impact – slash-and-dash predator, brain more croc-like than bird-like

3. DTE3

5. Dinosaur Valley State Park, Texas www.kurtjohnson.net

6. North Carolina State Museum of Natural SciencesNorth Carolina State Museum of Natural Sciences, Raleigh (October 26, 2007-July 5, 2008)

7. Paluxy River tracks Early Cretaceous, 110 Ma Glen Rose Formation, a low-energy shoreline deposit, limestone and clay Many tracks at many stratigraphic levels – the famous one from last slide, photo to left, shows three theropods paralleling a dozen sauropods moving in the same direction Theropods likely were Acrocanthosaurus Creation Evidence Museum www.cretaceousfossils.com http://paleo.cc/pal uxy/glenrose.htm

8. Acrocanthosaurus

9. www.naturalsciences.org Skeleton of “Fran”, the most complete Acrocanthosaurus Rich’s head

10. Acrocanthosaurus – “high-spined lizard” Mid-Cretaceous, 110 Ma, 38 ft long, 2.5 tons, 13 feet tall Found in a channel with numerous small petrified woody stems and a turtle CT-scan of skull again indicates brain similar to Allosaurus, more like modern crocodiles than birds

11. http://frankdenota.blackhydra.com

12. Clade Carcharodontosaurus www.luisrey.ndtilda.co.uk

13. http://prehistoricsillustrated.com

14. 5.5 foot skull!

15. Carcharodontosaurus – “shark-tooth lizard” Mid-Cretaceous, 95 Ma, 45 ft long, 12 ft tall at the hips, 8 in teeth, 8 tons, 5.5 ft skull! Bahariya Formation Typical croc-like brain

17. Bahariya Formation ~95 Ma Shore of the Tethys Ocean at high sea level Stromer’s bones destroyed in WWII Fish, lizards, plesiosaurs, clams, snails, leaves, fruit, and of course dinos! Mangrove coastline, highly productive and diverse ecosystem Mummies!

18. Giganotosaurus – the biggest of them all! http://home.att.net/~sl.schofield3/dinosaurs/dinosaurs.html

19. Giganotosaurus – “giant southern lizard” Mid-Cretaceous, 95 Ma, 6.5 ft skull, 47 ft long, close to 9 tons! Brain scan done – usual Allosauroidae story Closely related to Carcharodontosaurus Discovered by a car mechanic who loves fossils, Ruben Carolini Maintained constant body temperature – oxygen isotope analysis Pack of 9 or more Mapusaurus individuals including juveniles found!

20. T. rex, Carcharodontosaurus, Giganotosaurus