254 



VALVIFERA • ARCTURIDAE 



Figure 107. Astacilla cymodocea: A, S,B, 9 . Astacilla lasallae: C, d . Astacilla regina: 

 D, 6; E, 9; F, pereopod 4; G, pereopod 1. Thermarcturus venezuelensis: H, 9 (from 

 Paul and Menzies, 1971). 



rior half. Pleotelson with strong lateral shoulder in anterior half, second 

 shoulder in posterior half, then tapering to rounded apex. 



RECORDS Carrie Bow Cay, Belize, on forereef slope, 27-36 m; Barbados, 

 100-400 m; St. Lucia, 2-3 m, associated with crinoids. 



