(Subclass Mystacocarida):
According to interpretation dividing body into cephalon, maxillipedal somite, and thoracoabdomen, tagma including last nine somites as well as telson and caudal furca. First four thoracoabdominal somites bear appendages (thoracoabdominal appendages) [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.