Dino Day: Dryptosauroides grandis

Adapted from page 28:

The Dryptosauroides grandis lived in the Upper Cretaceous (upper Maastrichtian, ca. 72.1–66 Ma) of Hindustan (present day India). It was an abelisauroid, as heavy as a hippopotamus and almost as long as a city bus. Due to its light build, it is possible that it captured small prey or took advantage of the carrion abandoned by the dominant hunters of its time, the abelisaurids.

These dinosaurs had an unusual footprint with a very elongated central finger compared to the lateral ones, which were similar to the impressions left by ornithomimosaurs and noasaurids. Both were very fast animals. Because it dates from the Middle Jurassic and lived in northcentral Neopangea (present-day Portugal), it is more likely that it was an abelisauroid.

It has been proposed that some fingerprints with a very developed middle finger could have been made by primitive abelisauroids, such as Deferrariischnium, Sarmientichnus and Zhengichnus.

Dinosaur Facts and Figures: The Theropods and Other Dinosauriformes
By Rubén Molina-Pérez and Asier Larramendi
Illustrations byAndrey Atuchin and Sante Mazzei

The theropod dinosaurs ruled the planet for millions of years, with species ranging from the mighty Tyrannosaurus rex to feathered raptors no bigger than turkeys. Dinosaur Facts and Figures is a stunningly illustrated book of records for these marvelous creatures—such as the biggest, the smallest, and the fastest theropods, as well as the ones with the most powerful bite.

This one-of-a-kind compendium features more than 3,000 records, covers some 750 theropod species, and includes a wealth of illustrations ranging from diagrams and technical drawings to full-color reconstructions of specimens. The book is divided into sections that put numerous amazing theropod facts at your fingertips. “Comparing Species” is organized by taxonomic group and gives comparisons of the size of species, how long ago they lived, and when they were discovered. “Mesozoic Calendar” includes spreads showing the positions of the continents at different geological time periods and reconstructions of creatures from each period. “Prehistoric Puzzle” compares bones, teeth, and feathers while “Theropod Life” uses vivid, user-friendly graphics to answer questions such as which dinosaur was the smartest and which had the most powerful bite. Other sections chart theropod distribution on the contemporary world map, provide comprehensive illustrated listings of footprints, compile the physical specifications of all known theropods and Mesozoic birds, and much more.

  • The essential illustrated record book for anyone interested in dinosaurs
  • Features thousands of records on everything from the smartest and fastest theropods to the largest theropod eggs
  • Includes more than 2,000 diagrams and drawings and more than 300 digital reconstructions
  • Covers more than 750 theropod species, including Mesozoic birds and other dinosauromorphs
  • Provides detailed listings of footprints, biometric specifications, and scholarly and popular references
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