6 - Sphaeromatidae::“Cute As Buttons”

226 FLABELL1FERA • SPHAEROMAT1DAE
Paradella tumidicauda (Glynn, 1970)
Figure 98H,I
DIAGNOSIS 8 6.7 mm, 9 6.5 mm. 6: Last pleonite with two submedian
swellings. Pleotelson with four submedian broadly rounded swellinglike tu­
bercles and two pairs of lateral tubercles. Foramen wider than long, posterior
contiguous borders of foramen each bearing rounded swelling. 9: Pleotelson
with four submedian swellinglike tubercles, sometimes with two obscure lat­
eral tubercles; posterior slit not visible dorsally, area surrounding slit
swollen, horseshoe shaped.
RECORDS Margarita Island, Venezuela, from among intertidal barnacles.
Subfamily Sphaeromatinae H. Milne Edwards, 1840
DIAGNOSIS Cephalon not fused with pereonite 1. Pereopods 1 and 2 am­
bulatory. Pleopods 4 and 5, endopods having branchial pleats, exopods un-
pleated, membranous, of two articles. Uropods biramous.
Key to genera of Sphaeromatinae
1. Uropodal exopod with outer margin serrate Sphaeroma
Uropodal exopod with outer margin entire or faintly crenulate 2
2.