FIGURE 85. Female thoracic sternum and pleon of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Chasmocarcinus longipes, Colombia: paratype female 5.6 × 6.8 mm (USNM 78785); B, Chasmocarcinus mississippiensis, Gulf of Mexico: female 9.6 × 12.4 mm (USNM 150090); C, Amboplax peresi, Brazil: ovigerous female 4.9 × 6.2 mm (ZRC 2015.222); D, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba).Published as part of Ng, Peter K. L. & Castro, Peter, 2016, Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea), pp. 1-182 in Zootaxa 4209 (1) on page 159, DOI: 10.11646/zootaxa.4209.1.1, http://zenodo.org/record/27264