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Phylogenetics

Cladistics Bird-Dinosaur Relationship Species Classification Dinosaur-Bird Relationship Dinosaur Classification Classification Morphological Phylogenetics True Crabs Cambrian Period Spinosauridae Otophysan Lineages Metal Enrichment Evolutionary History Squamate Phylogeny Species Tree Construction Arachnids Cephalopod Evolution Barbet-Toucan Clade Anachronornis Hominoidea Cranial Morphology Statistical Modeling Birds Tyrannosauridae Bird Evolution Evolutionary Relationships Nemertea Dinosaur Evolution Molecular Phylogenetics Rhino Family Tree Dinosaur Relationships Taxonomy

Scorpions Fortify Stingers and Claws With Metals, Smithsonian Study Finds

The mapped element layouts link weapon design to hunting strategy.

Study Finds Crabs’ Sideways Walk Evolved Once Around 200 Million Years Ago

Egyptian Ape Fossil Challenges East Africa as Cradle of Modern Apes

New Triassic Croc-Line Reptile Grew From Four-Legged Juvenile to Bipedal Adult

New Middle Triassic Crocodile-Line Predator, Tainrakuasuchus bellator, Described From Brazil

Egypt Fossils Identify Oldest Dyrosaurid, Point to African Origins

67-Million-Year-Old Alberta Fossil Recasts Otophysan Fish Origins

24-Million-Year-Old Rhino Enamel Proteins Recovered, Dinosaur Fossils Next