Paleoecology (also spelled palaeoecology) is the study of interactions between organisms and/or interactions between organisms and their environments across...

Palaeogeography, Palaeoclimatology, Palaeoecology ("Palaeo3") is a peer-reviewed scientific journal publishing multidisciplinary studies and comprehensive...

the reconstruction of ancient ecological systems and climate, known as paleoecology and paleoclimatology respectively. It is fundamental to the study of...

Anomalocaris ("unlike other shrimp", or "abnormal shrimp") is an extinct genus of radiodont, an order of early-diverging stem-group arthropods. It is best...

study their interactions with each other and their environments (their paleoecology). Paleontological observations have been documented as far back as the...

Pterodactylus (from Ancient Greek: πτεροδάκτυλος, romanized: pterodáktylos 'winged finger') is a genus of extinct pterosaurs. It is thought to contain...

Hylonomus (/haɪˈlɒnəməs/; hylo- "forest" + nomos "dweller") is an extinct genus of reptile that lived 318 million years ago during the Bashkirian stage...

Ankalagon saurognathus is an extinct carnivorous mammal of the family Mesonychidae, endemic to North America during the Paleocene epoch (63.3—60.2 mya)...

Timorebestia koprii is an extinct species of stem-group chaetognath (arrow worm relative) that lived about 520 million years ago, in the Cambrian. Its...

Pentaceratops ("five-horned face") is a genus of herbivorous ceratopsid dinosaur from the late Cretaceous Period of what is now North America. Fossils...

Einiosaurus is a genus of herbivorous centrosaurine ceratopsian dinosaur from the Upper Cretaceous (Campanian stage) of northwestern Montana. The name...

Panthera tigris soloensis, known as the Ngandong tiger, is an extinct subspecies of the modern tiger species. It inhabited the Sundaland region of Indonesia...

Inabtanin is an extinct genus of azhdarchoid pterosaurs from the Late Cretaceous Muwaqqar Formation of Jordan. The genus contains a single species, I....

Hyaenodon ("hyena-tooth") is an extinct genus of carnivorous placental mammals from extinct tribe Hyaenodontini within extinct subfamily Hyaenodontinae...

Syncerus antiquus is an extinct species of buffalo from the Late Pleistocene and Holocene of Africa. It was one of the largest species in its family, potentially...

Sasayamagnomus (meaning "Gnome from Sasayama") is a genus of neoceratopsian dinosaur from the Early Cretaceous (Albian) Ohyamashimo Formation of Hyogo...

Dorudon ("spear-tooth") is a genus of extinct basilosaurid ancient whales that lived alongside Basilosaurus 40.4 to 33.9 million years ago in the Eocene...

Elasmosaurus (/ɪˌlæzməˈsɔːrəs, -moʊ-/) is a genus of plesiosaur that lived in North America during the Campanian stage of the Late Cretaceous period, about...

Asiatyrannus (meaning "Asian tyrant") is an extinct genus of tyrannosaurine theropod dinosaurs from the Late Cretaceous Nanxiong Formation of China. The...

Araucarioxylon arizonicum (alternatively Agathoxylon arizonicum) is an extinct species of conifer that is the state fossil of Arizona. The species is known...

Barbourofelis is an extinct genus of large, predatory, feliform carnivoran mammals of the family Barbourofelidae (false saber-tooth cats). The genus was...

The Somosaguas fossil site is located in the Community of Madrid, in the Somosaguas campus, within the municipality of Pozuelo de Alarcón (Spain). The...

Megistotherium is an extinct genus of hyaenodont belonging to the family Hyainailouridae that lived in Africa. The name of this genus comes from Ancient...

The cave hyena (Crocuta crocuta spelaea and Crocuta crocuta ultima), also known as the Ice Age spotted hyena, are paleosubspecies of spotted hyena known...

Wonambi is an extinct genus of madtsoiid snakes that lived in late Neogene to late Quaternary Australia. Species of Wonambi were constrictor snakes unrelated...

Harenadraco (meaning "sand dragon") is an extinct genus of troodontid theropod dinosaurs from the Late Cretaceous Baruungoyot Formation of Mongolia. The...

Araripesuchus is a genus of extinct crocodyliform that existed during the Cretaceous period of the late Mesozoic era some 125 to 66 million years ago....

Thalassocnus is an extinct genus of semiaquatic ground sloths from the Miocene and Pliocene of the Pacific South American coast. It is monotypic within...

Triceratops (/traɪˈsɛrətɒps/ try-SERR-ə-tops; lit. 'three-horned face') is a genus of chasmosaurine ceratopsian dinosaur that lived during the late Maastrichtian...

Pachycephalosaurus (/ˌpækɪˌsɛfələˈsɔːrəs/; meaning "thick-headed lizard", from Greek pachys-/παχύς- "thickness", kephalon/κεφαλή "head" and sauros/σαῦρος...