Strophiops angustalabra Maynard and Clapp in Maynard, 1921
"128. S. angustalabra.
Shorter, .95 by .45; frontal bar low: margin thin, .05; costae fine 31, about one half as wide as interspaces; white mottled and streaked with yellow-red. Embedded in the Low cliffs on west side of Rose Island opposite Green Key. 500. Plate 39, figs. 9, 10." (Maynard and Clapp in Maynard, 1921b:143-144)