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Morphology

Proto-feathers Armor Display Ankylosaur Characteristics Tetrapod Development Natural Structures Anatomical Structures Skull Structure Tooth Development Crocodilian Diversity Crocodilian Relationships Genitalia Bipedalism Forelimb Reduction Osteoderms

10 ARTICLES

last mo.

Fossil Hatchlings Show Early Tetrapods Grew Up Without Tadpole Metamorphosis

New fossil analyses suggest direct development across multiple stem tetrapod lineages, pointing to a later or independent origin of amphibian-style metamorphosis.

7 ARTICLES

2mo ago

New Tarantula Genus Satyrex Unveiled With Record-Long Male Palps

Morphology

Fossil Hatchlings Show Early Tetrapods Grew Up Without Tadpole Metamorphosis

Study Links Tiny Theropod Arms to Bigger, Stronger Skulls

500-Million-Year-Old Chelicerate Pushes Back Spider Lineage by 20 Million Years

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

Ghost Sharks Grow True Forehead Teeth, Rewriting Rules of Tooth Development

New Tarantula Genus Satyrex Unveiled With Record-Long Male Palps