Stimpson, 1860
Zoea
¥ Number of stages in the zoeal phase: 4.
¥ Morphological characters of first zoea [Table 11 First zoeae of Xanthidae]:
Carapace without medio-dorsal knob.
Carapace with lateral spines.
Abdominal somites 3-5 with a sharp postero-lateral process.
Antennule with 3 aestetascs and 2 setae.
Antenna type D (type D).
Maxillule endopod setation: 1, 6.
Maxillule scaphognatite with 4 plumose seate.
Maxillliped 1 basis and endopod setation: 4; 1, 2, 1, 2, 4.
Maxillliped 2 basis and endopod setation: 3 (only for 1st zoeal stage); 1, 1, 5.
Furcae of telson with spinulose surface.
Furcae of telson with 1 dorsal, 2 outer and no inner spines.
Megalopa
¥ Number of stages in the megalopal phase: 1.
¥ Morphological characters of megalopa [Table 18 Mgp Xanthidae]:
Rostrum short, directed anteriorly.
Carapace smooth.
Maxillule (mx1) endopod setation: 2, 4.
Maxilla (mx2) endopod setation: 0.
First maxilliped (mxp1) epipod setation: 8.
Third maxilliped (mxp3) epipod setation: 14.
Larval stages described by Montín et al., 1989.
Geographical distribution of adult
Occidental Atlantic: The West Indies, Central America, northern South America, Brazil (Pará to Rio Grande do Sul), Uruguay and Argentina.
Depth range of adult
Intertidal zone - 75 m.