Balhuticaris voltae is the largest bivalved arthropod to date, at almost double the size of the previous record-holder, Nereocaris exilis. Life reconstruction of Balhuticaris voltae. Image credit: Hugo Salais. Balhuticaris voltae swam in the oceans of the Cambrian period approximately 506 million years ago. At 24.5 cm (9.6 inches) long, the ancient animal is one of the largest Cambrian arthropods and the biggest bivalved arthropod known to date, with...
