Saussure, 1857
Zoea [no illustration available] ¥ Number of stages in the zoeal phase: 4. ¥ Morphological characters of first zoea [Table 11 First zoeae of Xanthidae]: Carapace with medio-dorsal knob. Carapace with lateral spines. Abdominal somites 3-5 with a sharp postero-lateral process. Antennule with 3 aestetascs and 1 seta. Antenna type B (type B). Maxillule endopod setation: 1, 6. Maxillule scaphognatite with 3 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 spinulose surface. Telson furcae with 1 dorsal, 2 outer and no inner spines.
Megalopa [Panopeus occidentalis] ¥ Number of stages in the megalopal phase: 1. ¥ Morphological characters of megalopa [Table 18 Mgp Xanthidae]: Rostrum short, deflected ventrally. Carapace smooth. Maxillule (mx1) endopod setation: 5. Maxilla (mx2) endopod setation: 1(2). First maxilliped (mxp1) epipod setation: 1(2). Third maxilliped (mxp3) epipod setation: 6(7).
Larval stages described by Ingle, 1985.
Geographical distribution of adult Occidental Atlantic: North Carolina to Florida, Gulf of Mexico, The West Indies, Central America, northern South America, Guianas and Brazil (Ceará to Santa Catarina).
Depth range of adult Intertidal zone - 20 m. |