What were trilobites spines and proboscide used for?
Just seem stange, especially the proboscide (the long tube in front of the trilobite that)
Just seem stange, especially the proboscide (the long tube in front of the trilobite that)
Just seem stange, especially the proboscide (the long tube in front of the trilobite that)
Just seem stange, especially the proboscide (the long tube in front of the trilobite that)