Five hundred million years ago, Alalcomenaeus and Fuxianhuia scuttled along the ocean floor side-by-side. These creatures, each 1-2 inches in length, were living in a time known as the Cambrian Explosion – the sudden fossilized shift from largely single-celled organisms to animals representing every animal phylum still in existence today. To put this in perspective, […]
Tag Archives: arthropods
Arthropods: More than just a pretty face, they have brains that can preserve for over half a billion years
posted by UCSDNeuro
Behold the Arthropods. They are invertebrates with exoskeletons, segmented bodies and jointed appendages (examples: insects, arachnids, crustaceans). Exquisitely versatile and adaptable, they comprise the most species-rich phylum and they’ve been around since at least the early Cambrian Period (541-485.4 million years ago, (Mya)). Look where you’re standing. Chances are that an athropod’s already been there […]
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