- Source: Asmussia murchisoniana
Asmussia murchisoniana was a Devonian crustacean of the class Branchiopoda. Like other clam shrimps, Asmussia had a bivalved shell, which was its only preserved part, about 3 millimetres (0.12 in) long. It was probably a filter feeder or a scavenger.
References
"Asmussia murchisoniana". Fettes College. Archived from the original on January 9, 2009. Retrieved March 27, 2011.