6 - Sphaeromatidae::“Cute As Buttons”

20 ANTHURIDEA • ANTHUR1DAE
Amakusanthura lathridia (Wagele, 1982)
Figure 3F-I
DIAGNOSIS 9 2.7 mm. Antennular flagellum of three articles. Antennal
flagellum of three articles. Mandibular palp article 3 bearing three spines.
Maxilliped lacking endite. Pereopod 1, propodal palm with distal step;
carpus with triangular posterodistal lobe. Uropodal exopod apically acute,
outer margin slightly excavate, sinuate; endopod length slightly less than
twice basal width. Pleotelson elliptical, widest at about midlength, margins
weakly serrate.
RECORDS Cuba, interstitial beach sand just above water line.
Amakusanthura magnifica (Menzies and Frankenberg, 1966)
Figures 4, 5
DIAGNOSIS 9: 13.9 mm. Maxilliped with short endite, terminal article of
palp short, set obliquely at outer distal angle of penultimate article. Pereopod
1, propodal palm with strong tubercle; carpus with low distal sclerotized
lobe. Uropodal exopod ovate, with shallow distal notch; endopod twice
longer than wide. Pleotelson with posterior margin evenly rounded to sub-
truncate; dorsally with raised area at midlength, broadening and sloping
B
D
C
Figure 4. Amakusanthura magnifica: A>
pereopod 1; B, telson; C, uropodal sympod
and endopod (setae omitted); D> uropodal
exopod (setae omitted)