Epialtinae Macleay, 1838

Gonzalez-Gordillo, Juan Ignacio, Weidberg, Nicolas, Tissot, Alexandra G., Cuesta, Jose A., Fernández, Francisca M. & Baldanzi, Simone, 2025, Molecular and morphological discrimination of Taliepus marginatus (Bell, 1836) and T. dentatus (H. Milne Edwards, 1834) (Decapoda: Brachyura: Epialtidae): insights from their larval development, Zootaxa 5716 (1), pp. 66-92 : 87-88

Key to genera of megalopa stage of the Epialtinae Macleay, 1838

1 Coxa of maxilla unilobate.............................................................................. 2

- Coxa of maxilla bilobate, with 8–10 setae in total........................................................... 3

2 Coxa of maxilla with 6–7 setae at most.......................................... Epialtus H. Milne Edwards, 1834

- Coxa of maxilla with 9 setae........................................................ Menaethiops Alcock, 1895

3 Epipod of maxilliped I with 10–12 setae; scaphognathite con 40–46 marginal setae; pleopod I and II with no less than 13 setae..................................................................... Taliepus A. Milne-Edwards, 1878

- Epipod of maxilliped I with 9 or fewer setae; scaphognathite with fewer than 40 marginal setae (except Acanthonyx petiverii H. Milne Edwards, 1834 ); pleopod I and II with 12 or fewer setae................................................. 4

4 Coxa of maxillule with 10 setae......................................................................... 5

- Coxa of maxillule with 8 or 9 setae....................................................................... 6

5 Basis of maxillule with 18–19 setae........................................... Leucippa H. Milne Edwards, 1833

- Basis de la maxillule with 16 setae....................................................... Pugettia Dana, 1851

6 Proximal endopod article (ischium) of antenna with 3 setae; coxa of maxilla with 6+2 setae; scaphognathite with 28–31 marginal setae.................................................................. Menaethius H. Milne Edwards, 1834

- Proximal endopod article (ischium) of antenna with 1 or 2 setae; coxa of maxilla with 6 or 7+3 setae; scaphognathite with 36–48 marginal setae.................................................................. Acanthonyx Latreille, 1828