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Acanthopholis Information

"Spiny scales"

Dinosaurs
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Anatomy

Acanthopholis (meaning “spiny scales”) was an armored, quadrupedal (walked on four legs), plant-eating dinosaur from the early Cretaceous period. Its armor was rows of oval plates set into its skin, plus it had spikes jutting out of its neck and shoulder area along the spine. It was about 15 feet long (4 m) and weighed roughly 380 kg.

When Acanthpholis lived

Acanthopholis lived during the early Cretaceous Period, about 115-91 million years ago.

Diet

This huge, heavy reptile was an herbivore (it ate only plants). It had to eat a huge amount of low-lying plant material to sustain itself so its gut must have been very large. It probably had a fermentation compartment to aid in the digestion of the tough plant material, producing prodigious amounts of gas.

Intelligence

Acanthopholis was an ankylosaur, whose intelligence (as measured by its relative brain to body weight, or EQ) was low among the dinosaurs.

EQ

Locomotion

Ankylosaur trackways were found in 1996 near Sucre, Bolivia, South America showing that these huge creatures could run at a “decent jog,” according to Christian Meyer, a Swiss paleontologist working at the site. Speed estimates are made using the distance between the footprints, the animal’s leg length, the pattern of the tracks, and other factors.

Discovery of fossils

Map of where Acanthopholis has been found Partial fossils have been found in England. Acanthopholis was named by the British biologist Thomas H. Huxley in 1865.

Classification

Acanthopholis belonged to the:

  • Kingdom Animalia (animals)
  • Phylum Chordata (having a hollow nerve chord ending in a brain)
  • Class Archosauria (diapsids with socket-set teeth, etc.)
  • Order Ornithischia - bird-hipped, herbivorous, quadrupedal dinosaurs
  • Suborder Thyreophora (Enoplosauria) - armored dinosaurs
  • Suborder Ankylosauria - plated and armored over most of the body
  • Family Nodosauridae (a group of smaller, primitive ankylosaurs with no tail clubs; it included Hylaeosaurus, Edmontonia, Sauropelta, Silvisaurus, Nodosaurus, Panoplosaurus, etc.).
  • Genus Acanthopholis
  • species

Just click on an animal’s name to go to that information sheet. If the dinosaur you’re interested in isn’t here, check the Dinosaur Dictionary or the list of Dinosaur Genera.

How to write a great dinosaur report.

Names with an asterisk (*) were not dinosaurs.

Acanthopholis Homalocephale Pteranodon*
Acrocanthosaurus Hypacrosaurus Pterodactyloids*
Albertosaurus Hylaeosaurus Pterodactylus*
Allosaurus Hypsilophodon Pterosaurs*
Amargasaurus Ichthyosaurs* Quaesitosaurus
Ammonite* Iguanodon Quetzalcoatlus*
Anatotitan Janenschia Rhamphorhynchus*
Ankylosaurus Kentrosaurus Riojasaurus
Apatosaurus Kronosaurus* Saltopus
Archaeopteryx* Lambeosaurus Saurolophus
Archelon* Lesothosaurus Sauropelta
Avimimus Maiasaura Scelidosaurus
Baryonyx Majungatholus Scipionyx
Brachiosaurus Mamenchisaurus Seismosaurus
Brontosaurus Massospondylus Sinornithosaurus
Camarasaurus Megalosaurus Sinosauropteryx
Camptosaurus Megaraptor Spinosaurus
Carcharodontosaurus Microvenator Stegoceras
Caudipteryx Minmi Stegosaurus
Ceratosaurus Monoclonius Styracosaurus
Chasmosaurus Montanoceratops Suchomimus
Coelophysis Mosasaurs* Supersaurus
Compsognathus Mussaurus Syntarsus
Corythosaurus Nothosaurs* Thecodontosaurus
Deinonychus Notoceratops Torvosaurus
Dilophosaurus Ornitholestes Triceratops
Diplodocus Ornithomimus Trilobite*
Dimetrodon* Othnielia Tröodon
Dimorphodon* Ouranosaurus Tyrannosaurus rex
Dryosaurus Oviraptor Ultrasauros
Dsungaripterus* Pachycephalosaurus Unenlagia
Edmontosaurus Pachyrhinosaurus Utahraptor
Elasmosaurus* Parasaurolophus Variraptor
Eoraptor Pentaceratops Velociraptor
Eryops* Plateosaurus Vulcanodon
Euoplocephalus Plesiosaurs* Wannanosaurus
Gallimimus Protarchaeopteryx Xiaosaurus
Gargoyleosaurus Protoceratops Yangchuanosaurus
Giganotosaurus Protohadros Zigongosaurus
Heterodontosaurus Psittacosaurus
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