Saussure, 1857
Zoea [Panopeus americanus 1]
¥ 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 aestetatscs and 1 seta.
Antenna type B (type B).
Maxillule endopod setation: 1, 6.
Maxillule scaphognatite with 4 plumose seate.
Maxillliped 1 basis and endopod setation: 10; 3, 2, 1, 2, 5.
Maxillliped 2 basis and endopod setation: 4; 1, 1, 5.
Furcae of telson with smooth surface.
Telson furcae with 1 dorsal, 1 outer and no inner spines.
Megalopa [Panopeus americanus]
¥ Number of stages in the megalopal phase: 1.
¥ Morphological characters of megalopa [Table 18 Mgp Xanthidae]:
Rostrum short.
Carapace smooth.
Maxillule (mx1) endopod setation: 2, 3.
Maxilla (mx2) endopod setation: 1.
First maxilliped (mxp1) epipod setation: 7.
Third maxilliped (mxp3) epipod setation: 12.
Larval stages described by Negreiros-Fransozo, 1986b.
Geographical distribution of adult
Occidental Atlantic: Florida, Gulf of Mexico, The West Indies, Colombia, Venezuela and Brazil (Maranho to Santa Catarina).
Depth range of adult
Intertidal zone - 25 m.