Reconstruction of Manipulonyx reshetovi（Image source：Connor Ashbridge， CC BY 4.0 ） Age Cretaceous（Maastrichtian） 70 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Saurischia Family: Alvarezsauridae Genus: Manipulonyx Species: Manipulonyx reshetovi Morphological description Manipulonyx reshetovi is a small-sized theropod dinosaur, with an estimated body length of less than one meter. Its hind limbs are elongated and slender, whereas the forelimbs are ext

Reconstruction of Kryptohadros kallaiae（Image source：Connor Ashbridge， CC BY 4.0 ） Age Cretaceous（Maastrichtian） 70 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Ornithischia Family: Telmatosauridae Genus: Kryptohadros Species: Kryptohadros kallaiae Morphological description Kryptohadros kallaiae was a small to medium-sized hadrosauroid dinosaur. Its holotype represents a relatively young subadult individual, with an estimated body length of approximat

Reconstruction of an adult male Garudapterus buffetauti（Image source：DinoThaiThai Chatchy， CC BY-SA 4.0 ） Age Cretaceous（Hauterivian-Barremian） 129 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Pterosauria Family: Ctenochasmatidae Genus: Garudapterus Species: Garudapterus buffetauti Morphological description The rostrum of Garudapterus buffetauti is elongated and slender, with its anterior tip expanded into a spatulate shape. The alveoli are prominentl

Eotephradactylus mcintireae life reconstruction（Image source：Brian Engh， CC BY-SA 4.0 ） Age Triassic（Norian） 209 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Pterosauria Genus: Eotephradactylus Species: Eotephradactylus mcintireae Morphological description The preserved length of the mandible of Eotephradactylus mcintireae is approximately 4.1 cm. However, impressions in the surrounding matrix indicate that the complete mandible was at least 4.35 cm l

Reconstruction of Dinanomodon guoi（Courtesy of Ye Jianhao） Age Permian（Wuchiapingian） 259.1-254.14 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Synapsida Suborder: Anomodontia Infraorder: Dicynodontia Genus: Dinanomodon Species: Dinanomodon guoi Morphological description The holotype of Dinanomodon guoi is a well-preserved skull (IVPP V31930) with a basal length of approximately 27.3 cm, with only slight erosion on the anterior-most surface of the snout. The skull is

Reconstruction of Taleta taleta（Image source：Connor Ashbridge， CC BY 4.0 ） Age Cretaceous（Maastrichtian） 66 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Ornithischia Family: Hadrosauridae Genus: Taleta Species: Taleta taleta Morphological description Taleta taleta is estimated to have reached a body length of approximately 3.5 meters based on the maxilla. The skeletal characteristics indicate that the known specimen represents a mature individual. Rig

Huadanosaurus sinensis life reconstruction（Image source：Ddinodan， CC BY 4.0 ） Age Cretaceous（Barremian） 125 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Saurischia Family: Sinosauropterygidae Genus: Huadanosaurus Species: Huadanosaurus sinensis Morphological description The holotype of Huadanosaurus sinensis is approximately 1 meter in total length. However, this individual represents a juvenile, indicating that it would have grown larger at maturity.

Ecological reconstruction of Falciscaris mumakiana（Image source：Potin, G. J.-M et al. (2025). Alexis Trébaol ， CC BY 4.0 ） Age Cambrian（Jiangshanian）-Ordovician（Tremadocian） 494 - 477 Ma Taxonomy Kingdom: Animalia Phylum: Arthropoda Class: Dinocaridida Order: Radiodonta Family: Hurdiidae Genus: Falciscaris Species: Falciscaris mumakiana Morphological description The body size of Falciscaris mumakiana is estimated, based on its frontal appendages, to range approximately from 7

Reconstruction of Mosura fentoni（Image source：Moysiuk, J., Caron, Jean-Bernard (2025).， CC BY 4.0 ） Age Cambrian（Miaolingian） 505 Ma Taxonomy Kingdom: Animalia Phylum: Arthropoda Class: Dinocaridida Order: Radiodonta Family: Hurdiidae Genus: Mosura Species: Mosura fentoni Morphological description Mosura fentoni is known from a total of 60 specimens collected between 1990 and 2022. Its body length ranges from approximately 1.5 to 6.1 cm, making it one of the smallest known ra

Reconstruction of Megabalaena sapporoensis（Image source：Tanaka, Y et al.(2025).， CC BY 4.0 ） Age Neogene（Tortonian） Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Artiodactyla Family: Balaenidae Genus: Megabalaena Species: Megabalaena sapporoensis Morphological description Holotype of Megabalaena sapporoensis, with missing parts shown in gray（Image source：Tanaka, Y et al.(2025).， CC BY 4.0 ） The total body length of Megabalaena sapporoensis is estimated

Fossil of Crocodylus sudani（Image source：Salih, K et al. (2025).， CC BY 4.0 ） Age Quaternary（Pleistocene） 0.09 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Crocodilia Family: Crocodylidae Genus: Crocodylus Species: Crocodylus sudani Morphological description Crocodylus sudani exhibits an overall morphology similar to that of the Nile crocodile (Crocodylus niloticus) and the West African crocodile (Crocodylus suchus). The holotype skull measures 57 cm

Skull fossil of Paarthurnax holliensis（Image source：Suarez, C.A et al. (2021).， CC BY 4.0 ） Age Cretaceous（Aptian-Albian） 125 - 100.5 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Reptilia Superorder: Crocodylomorpha Family: Goniopholididae Genus: Paarthurnax Species: Paarthurnax holliensis Morphological description The body length of Paarthurnax holliensis is estimated to be approximately 3.975 meters based on its skull. The proportions of the skull closely resemble

Restoration of Kostensuchus atrox preying on Isasicursor（Image source：LiterallyMiguel， CC BY 4.0 ） Age Cretaceous（Maastrichtian） 66 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Reptilia Superorder: Crocodylomorpha Family: Peirosauridae Genus: Kostensuchus Species: Kostensuchus atrox Morphological description Kostensuchus atrox is one of the largest members of Peirosauridae, reaching an estimated body length of approximately 3.5 meters and a body mass of around 250 ki

AI-generated reconstruction of Sclerocephalus megalorhinus, verified by human experts to be consistent with current mainstream morphological interpretations Age Permian（Asselian） 298-295 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Order: Temnospondyli Family: Sclerocephalidae Genus: Sclerocephalus Species: Sclerocephalus megalorhinus Morphological description The fossils of Sclerocephalus megalorhinus were discovered in the Meisenheim Formation of Rhineland-Palatinate, Ger

Reconstruction of Anteavis crurilongus（Image source：Connor Ashbridge， CC BY 4.0 ） Age Triassic（Late Carnian） 231.4 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Sauropsida Superorder: Dinosauria Order: Saurischia Suborder: Theropoda Genus: Anteavis Species: Anteavis crurilongus Morphological description Anteavis crurilongus is a small-bodied carnivorous dinosaur whose anatomical features indicate a transitional condition between basal theropods and more derived neothe

Life reconstruction of Galahadosuchus jonesi（Image source：Bodenham, E. H. et al. (2026). Reconstruction by Matt Dempsey， CC BY 4.0 ） Age Triassic（Late Triassic） 215 Ma Taxonomy Kingdom：Animalia Phylum：Chordata Class：Reptilia Family：Saltoposuchidae Genus：Galahadosuchus Species：Galahadosuchus jonesi Morphological description Anterior half of the Galahadosuchus jonesi specimen（Image source：Bodenham, E. H et al. (2026).， CC BY 4.0 ） Galahadosuchus jonesi was a digitigrade, cursor

Reconstruction of Dibango volans（Image source：Margaux Boetsch for Davesne, D., Carnevale, G. (2025).， CC BY 4.0 ） Age Paleogene（Eocene） 50 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Actinopteri Superorder: Percomorpha Genus: Dibango Species: Dibango volans Morphological Description Two known specimens of Dibango volans preserve only the anterior portion of the body. Their head lengths measure 6.6 mm and 5.7 mm respectively, and both specimens lack the caudal region