Reconstruction of Manipulonyx reshetovi （圖片來源：Connor Ashbridge，採用  CC BY 4.0  授權。） 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 ex

Reconstruction of Kryptohadros kallaiae （圖片來源：Connor Ashbridge，採用  CC BY 4.0  授權） 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 （圖片來源：DinoThaiThai Chatchy，採用  CC BY-SA 4.0  授權。） 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 prominent

Eotephradactylus mcintireae life reconstruction（圖片來源：Brian Engh，採用  CC BY-SA 4.0  授權。） 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

感謝 Ye Jianhao 提供。 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 relatively low in height, exhibiting a

Reconstruction of Taleta taleta （圖片來源：Connor Ashbridge，採用  CC BY 4.0  授權。） 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. Ri

Huadanosaurus sinensis life reconstruction（圖片來源：Ddinodan，採用  CC BY 4.0  授權。） 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 （圖片來源：Potin, G. J.-M et al. (2025). Alexis Trébaol ，採用  CC BY 4.0  授權。） 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

Reconstruction of Mosura fentoni （圖片來源：Moysiuk, J., Caron, Jean-Bernard (2025).，採用  CC BY 4.0  授權。） 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 （圖片來源：Tanaka, Y et al.(2025).，採用  CC BY 4.0  授權。） 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（圖片來源：Tanaka, Y et al.(2025).，採用  CC BY 4.0  授權。） The total body length of Megabalaena sapporoensis  is estimate

Fossil of Crocodylus sudani （圖片來源：Salih, K et al. (2025).，採用  CC BY 4.0  授權。） 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 5

Skull fossil of Paarthurnax holliensis （圖片來源：Suarez, C.A et al. (2021).，採用  CC BY 4.0  授權。）

Restoration of Kostensuchus atrox  preying on Isasicursor （圖片來源：LiterallyMiguel，採用  CC BY 4.0  授權。）

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, G

Reconstruction of Anteavis crurilongus （圖片來源：Connor Ashbridge，採用  CC BY 4.0  授權） 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，採用  CC BY 4.0  授權）

Reconstruction of Dibango volans （圖片來源：Margaux Boetsch for Davesne, D., Carnevale, G. (2025).，採用  CC BY 4.0  授權。） 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 regio