MacLeay, 1838
Fifty-two species are known as adult in the area; 23 species (below in bold) with known larval stages.
First zoea identification with the aid of Table 11 First zoeae of Xanthidae.
Megalopa identification with the aid of Table 18 Mgp Xanthidae.
Actae acantha
Allactaea lithostrota
Banareia palmeri
Carpilius corallinus
Cataleptodius floridanus
Domecia acanthophora acanthophora
Edwardsium spinimanus
Eriphia gonagra
Euryozius sanguineus
Eurypanopeus abbreviatus
Euypanopeus depressus
Eurypanopeus dissimilis
Eurytium limosum
Garthiope barbadensis
Garthiope spinipes
Glyptoxanthus vermiculatus
Hexapanopeus angustifrons
Hexapanopeus caribbaeus
Hexapanopeus paulensis
Hexapanopeus schmitti
Leptodius floridanus
Melybia thalamita
Menippe nodifrons
Micropanope nuttingi
Micropanope pusilla
Micropanope sculptipes
Micropanope urinator
Panopeus americanus
Panopeus austrobesus
Panopeus bermudensis
Panopeus harttii
Panopeus herbstii
Panopeus lacustris
Panopeus margentus
Panopeus meridionalis
Panopeus occidentalis
Paractaea rufopunctata nodosa
Pilumnoides coelhoi
Pilumnoides hassleri
Pilumnus caribaeus
Pilumnus dasypodus
Pilumnus diomedeae
Pilumnus floridanus
Pilumnus quoyi
Pilumnus reticulatus
Pilumnus spinosissimus
Platypodiella spectabilis
Platyxanthus crenulatus
Platyxanthus patagonicus
Tetraxanthus bidentatus
Tetraxanthus rathbunae
Xanthodius denticulatus
Xanthodius parvulus