Bivalvia is the group that includes clams, mussels, oysters, and scallops. They are still enormously successful today, living in both salt and fresh water. Bivalves are mollusks, like cephalopods, gastropods, scaphopods, and chitons. While not as common as brachiopods at Seven Stars, they are not too hard to find. Bivalves found at Seven Stars ActinodesmaContinue reading “Bivalves”
Monthly Archives: March 2023
Brachiopods
Brachiopods are one of the most common fossils found at Seven Stars. They were lophophorates, meaning that like Bryozoans, Tentaculitids, Phoronid worms, and Hyolithids, they used an organ called a lophophore to filter plankton and other food from the water(1,2,3,4,5). Some Brachiopods are still alive today, but in much diminished numbers – less than 5%Continue reading “Brachiopods”