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(Say, 1818)

Zoea [Tumidotheres maculatus 1]
¥ Number of stages in the zoeal phase: 5.
¥ Morphological characters of first zoea [Table 7 First zoeae of Pinnotheridae]:
Carapace: all spines present; knobs present length of dorsal spine <1.5 x length of rostral spine.
Dorso-lateral knobs on 2nd and 3rd abdominal somites.
Telson with spinulose furcae.
Antenna limited to spinous process.

Megalopa [Tumidotheres maculatus]
¥ Number of stages in the megalopal phase: 1.
¥ Morphological characters of megalopa [Table 19 Mgp Pinnotheridae Grapsidae Gecarcinidae Ocypodidae]:
Rostrum short.
Carapace with three long spines.
Maxillule (mx1) endopod setation: 2, 1.
Maxilla (mx2) endopod setation: 0.
First maxilliped (mxp1) epipod setation: 4.
Third maxilliped (mxp3) epipod setation: 21 ?

Larval stages described by Costlow and Bookhout, 1966 b.

Geographical distribution of adult
Occidental Atlantic: Massachusetts to Florida, Gulf of Mexico, The West Indies, Brazil (Alagoas to Santa Catarina), Uruguay and Argentina.

Depth range of adult
Intertidal zone - 50 m.

Tumidotheres maculatus