From Aristotle’s early groupings to Linnaeus’ binomial system, taxonomy has evolved into a dynamic science shaped by genetic discoveries. Modern tools like DNA barcoding are refining our understanding ...

For centuries, philosophers, naturalists and scientists have been trying to devise systems that group living things according to their similarities and presumed relationships. That's taxonomy the ...

Simplified cladograms from key studies that have widespread taxon sampling in Theraphosidae systematics. Theraphosidae taxonomy is over 260 years old, with the majority of theraphosid species ...

It all started with a claw. While scouring Argentina’s La Colonia Formation for new dinosaur fossils, paleontologists noticed the single toe bone sticking out of the ancient rock. When they dug in, ...

ABSTRACT: According to the most recent Pteridophyte Phylogeny Group (PPG), eupolypods, or eupolypod ferns, are the most differentiated and diversified of all major lineages of ferns, accounting for ...

The lycophytes are the earliest diverging lineage of vascular plants and have an evolutionary history stretching back over 430 million years. At the end of the Silurian and in the early Devonian ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

You want to do spatial statistics, and it's going to involve binning. Binning with a rectangular grid introduces messy distortions. At the macro-scale using a rectangular grid does things like making ...

If you use this script, you must cite this script and cite TNT. I kindly request that you acknowledge Guoyi Zhang in your Acknowledgements. This script follows MIT License. Zhang G. guoyi.run: ...

Modern birds can trace their origins to theropods, a branch of mostly meat-eaters on the dinosaur family tree. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Complex interspecies relationships are widespread among metazoans, but the evolutionary history of these lifestyles is poorly understood. We describe a fossil beetle in 99-million-year-old Burmese ...