I’ve shared news of several species of extremely tiny frogs and toads, commonly known as flea-toads or toadlets (read more here and here). These tiny amphibians are remarkable because they are much ...

A team of herpetologists at the Universidade Estadual de Santa Cruz just reported that a tiny frog found only in a hilltop forest in southern Bahia, Brazil, may be the smallest vertebrate in the world ...

Scientists have recreated the most ancient vertebrate known, the myllokunmingiid. The creature had four camera-type eyes.

About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...

There are some small critters in this world. Last week, I delved into the smallest of the small vertebrates, finding that the champions of small could sit comfortably on the head of a thumbtack. That ...