6 - Sphaeromatidae::“Cute As Buttons”

Colanthura tenuis 65
palp of two articles, endite almost reaching end of palp. Pereopod 1 subche-
late, propodus inflated, larger than pereopods 2 and 3. Pereopods 4-7, carpi
with anterior and posterior margin subequal. Pleonites free, short. Pleopod 1,
exopod operculiform. Telson with single statocyst.
Accalathura crenulata (Richardson, 1901)
Figure 29A-D
DIAGNOSIS 9: 16.0 mm. Antennular flagellum of about 26 articles. Anten­
nal flagellum of about 18 articles. Uropodal exopod narrow, parallel sided.
Telson apically subacute. 6: 15.0 mm. Pleopod 2, copulatory stylet of endo-
pod apically acute, with subapical "heel."
RECORDS OfFNorth Carolina, 30 m; off Georgia, 20 m; Cuba; Puerto Rico,
intertidal; Cozumel, Mexico; Carrie Bow Cay, Twin Cays, Belize, intertidal
to 6 m; west coast of Florida, Gulf of Mexico, 55 m.
Accalathura setosa Kensley, 1984
Figure 29E-H
DIAGNOSIS 9: 8.5 mm. Antennular flagellum of 11 articles. Antennal
flagellum of 13 articles. Uropodal rami, margins closely setose; exopod ovate,
outer margin sinuate, apex subacute; endopod ovate, length 1.25 times great­
est width. Telson apically rounded. 6: 7.0 mm. Pleopod 2, copulatory stylet
of endopod apically strongly bifid.
RECORDS Carrie Bow Cay, Belize, intertidal to 0.5 m.
Colanthura Richardson, 1902
DIAGNOSIS Integument with minute squamae. Mandible lacking palp.
Maxillipedal palp articles fused except for minute terminal article. Pereopod
1 subchelate, propodus expanded. Pereopods 2 and 3 subchelate but smaller
than pereopod 1. Pereopods 4-6, carpi rectangular. Pereonite 7 very short,
pereopod 7 lacking. Pleotelson lacking statocyst.
Colanthura tenuis Richardson, 1902
Figure 30A-C
DIAGNOSIS 9: 3.5 mm. Eyes present. Integument diffusely brown in color.
Antennular flagellum of four articles. Antennal flagellum of single article.