A paired anterior boss on the gastric region of the carapace of crabs [Chace and Hobbs, 1969].
Anterior extension of gastric region of decapod (brachyuran) carapace [Moore and McCormick, 1969].
Anterior lobes or subregions of gastric regions [Williams, 1984].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.