Figure 1: T. borealis Daley and Peel, 2010, frontal appendages from Sirius Passet, Lower Cambrian, North Greenland. The mesh size of the capture apparatus is closely related to prey size: right whales ...

Anomalocarids are one of the oldest families of animals on Earth, and they looked like nightmarish sea scorpions. But a new fossil discovery actually contains traces of their brain structure — and ...

Those of you who get a bit weirded out by spiders and other arthropods would probably have a coronary if an Anomalocaris were to swim in your direction. The animals were about a meter long, and shaped ...

Fossils found recently in Morocco belong to the earliest known filter-feeding sea creature. The 480-million-year-old anomalocarid fed on plankton in a similar way to modern whales. Because the fossils ...