- Septum formed by cephalic and thoracic apodemes. (Syn. arthrophragm) [McLaughlin, 1980].Wall formed by union of apposed apodemes forming part of endoskeleton of some decapods. (Syn. arthrophragm) [Moore and McCormick, 1969].(Order Decapoda):In cephalothorax, septum of endoskeleton formed at border of each somite by inward projections (endopleurites, endosternites) of exoskeleton. (Syn. arthrophragm) [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.