FIGURE 3. Floscularia janus. A in Key to sessile gnesiotrochan rotifers: Floscularia (Monogononta; Flosculariidae)

FIGURE 3. Floscularia janus. A. Dorsal view of an animal in its tube. B. Lateral view of an animal in its tube. C. Lateral view of an animal removed from its tube. D. Dorsal view of the corona showing medial notch in the labium. Symbols: arrows = modulus; a = antenna; an = anus; fp = fecal pellet; gt = elements of the gelatinous tube; lb = labium; m = mouth; S = substratum. Bar = 500 µm. (B = From Hudson, 1881; C = Reproduced from original art courtesy of W.T. Edmondson.)