H. Milne Edwards, 1834
Zoea [no illustration available]
¥ 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 aesthetascs and 2 setae.
Antenna type B (type B).
Maxillule endopod setation: 1, 6.
Maxillule scaphognatite with 4 plumose seate.
Maxillliped 1 basis and endopod setation: ?; 3, 2, 1, 2, 5.
Maxillliped 2 basis and endopod setation: ?; 1, 1, 5.
Furcae of telson with smooth surface.
Telson furcae with 1 dorsal, 2 outer and no inner spines.
Megalopa [Panopeus herbstii]
¥ Number of stages in the megalopal phase: 1.
¥ Morphological characters of megalopa [Table 18 Mgp Xanthidae]:
Rostrum short.
Carapace smooth.
Maxillule (mx1) endopod setation: 4, 3.
Maxilla (mx2) endopod setation: 7.
First maxilliped (mxp1) epipod setation: 7.
Third maxilliped (mxp3) epipod setation: 20.
Larval stages described by Costlow and Bookhout, 1961b.
Geographical distribution of adult
Occidental Atlantic: Boston, Massachussets, Bermuda and Brazil (Santa Catarina).
Depth range of adult
Intertidal zone - 22 m.