Tortella lilliputana (C. Müll. ex Roth) Zand., Bull. Buffalo Soc. Nat. Sci. 32: 104. 1993.

Phascum lilliputanum C. Müll. ex Roth, Aussereur. Laubm. 212. 1911. Tetrapterum lilliputanum (C. Müll. ex Roth) Broth., Nat. Pflanzenfam. (ed. 2) 10: 253. 1924. Protologue: Brazil. Bei Tubarao in Brasilien, Provinz Santa Catharina, im August 1890, Ule Bryoth. brasiliensis Nr. 133 

Plants small, dull green above, brown below, in tufts or cushions, 2–4 mm high. Stems red, erect, not or sparsely branched, hyalodermis and central strand present; rhizoids sparse. Leaves 1.5–2.5 mm long, ligulate to oblong-lanceolate, erect to spreading at base, erect-incurved, curled and somewhat when dry, spreading when wet; apices acute, shortly mucronate; lamina unistratose; margins entire to weakly crenulate by projecting papillae, plane to erect; costa excurrent, guide cells and two stereid bands well-developed, ventral surface layer enlarged; upper cells irregularly quadrate to oblate, 4–8 μm wide, firm-walled, pluripapillose, papillae not centered over lumina, basal cells rectangular, oblong, or elongate  firm- or thin-walled, hyaline, smooth, 18–54 x 4–12 μm, outer basal cells running up the margins somewhat, forming a v-shaped pattern. Autoicous; perichaetia terminal, perigonial buds lateral just below the perichaetia. Setae 1 per perichaetium, smooth, 1.5–2 mm long, yellow. Capsules elliptical, oblique-rostrate above, erect, 1 mm long, somewhat longitudinally wrinkled when dry; exothecial cells irregularly hexagonal, thin-walled; stomata in neck; annuli rudimentary and non-functional, capsules cleistocarpous. Spores 16–20 μm, densely papillose. Calyptrae, smooth, 1 mm long.