1912 at Theco- A group of pteropods having the body sheathed in a mantle-skirt.
1958 J. E. Morton ix. 175 The best-known British representative of the Arminacea is the..Pleurophyllidia, with secondary gill-lamellae crowded beneath the mantle skirt.
1995 P. J. Hayward et al. in P. J. Hayward & J. S. Ryland x. 484 The mantle skirt covers the whole of the animal and typically incorporates a mantle or pallial cavity.