Dinosaurs Remains of the following dinosaurs have been found in the formation:
Ornithischians Remains of the following ornithischians have been found in the formation:
Ankylosaurs Numerous specimens that cannot be definitively assigned to ankylosaurs are known from the formation, including fragmentary cranial, dental, postcranial, and armour material.
Ornithopods At least one indeterminate
thescelosaurid specimen has been recovered from the formation. In a 2001 review of hadrosaur
eggshell and hatchling material from the Dinosaur Park Formation,
Darren H. Tanke and
M. K. Brett-Surman concluded that hadrosaurs nested in both the ancient upland and lowlands of the formation's depositional environment.
Tyrannosaurs Other reptiles Choristoderes Choristoderes, or
champsosaurs, were aquatic reptiles. Small examples looked like lizards, while larger types were superficially similar to crocodilians. Remains of the following Choristoderes have been found in the formation: •
Champsosaurus (at least 3 species) •
Cteniogenys sp. cf.
antiquus (possibly another genus)
Crocodylians Remains of the following Crocodylians have been found in the formation: •
Albertochampsa •
Leidyosuchus • at least 1 unnamed taxon
Lizards Remains of the following lizards have been found in the formation: •
Helodermatids •
Labrodioctes •
Necrosaurids •
Parasaniwa •
Teiids •
Glyptogenys •
Socognathus •
Varanids •
Palaeosaniwa •
Xenosaurids • ?
Exostinus Plesiosaurs Remains of the following Plesiosaurs have been found in the formation:
Pterosaurs Remains of the following pterosaurs have been found in the formation:
Turtles Remains of the following turtles have been found in the formation:
Mammals mammals known from the Dinosaur Park Formation:
Mesodma primaeva (top left),
Alphadon halleyi (top right),
Gypsonictops lewisi (bottom left) and an indeterminate
therian, interpreted here as an hypothetical early
placental (bottom right) Remains of the following mammals have been found in the formation:
Multituberculata Metatherians Eutherians Fish Remains of the following fish have been found in the formation: •
Chondrichthyans •
Cretorectolobus olsoni (a
carpet shark) •
Eucrossorhinus microcuspidatus (a carpet shark) •
Ischyrhiza mira (a
sclerorhynchid) •
Meristodonoides montanensis (a
hybodont shark) •
Myledaphus bipartitus (a
ray) •
Protoplatyrhina renae (a
guitarfish) • indeterminate
orectolobid • "Edaphodontidae" indet. (a
chimaera) • unnamed sturgeon • unnamed paddlefish •
Holostean fish •
Arotus hieroglyphus •
Lepisosteus occidentalis (the
gar) • unnamed
bowfin • at least 2 other holosteans •
Teleost fish •
Acronichthys sp. (an
otophysan) •
Archaeosiilik sp. (a
pike) •
Belonostomus longirostris •
Cretophareodus alberticus (an
osteoglossomorph) •
Coriops amnicolus •
Dercetis cf. magnificus •
Sivulliusalmo sp. (a
salmonid)
Invertebrates Remains of the following invertebrates have been found in the formation: •
Insects •
Cordualadensa acorni (a cavilabiatid dragonfly) •
Freshwater bivalves •
Fusconaia •
Lampsilis •
Sphaerium (2 species) • Freshwater
gastropods •
Campeloma (2 species) •
Elimia •
Goniobasis (3 species) •
Hydrobia •
Lioplacodes (2 species) • Marine Invertebrates •
Placenticeras sp. •
Palaeonephrops? (a clawed lobster) == Flora ==