Notes:
Subphylum: Chelicerata
Class Merostomata
Note that the body is divided into two parts: cephalothorax and abdominal regions. The abdominal region has 6 pairs of spines.
Class Merostomata
Note that the body is divided into two parts: cephalothorax and abdominal regions. The abdominal region has 6 pairs of spines.
Horseshoe crab, dorsal view
