The new genus Tirispora, with the single species Tirispora unicaudata,
is described from an intertidal mangrove plant Acanthus ilicifolius i
n Hong Kong. The genus is compared with other genera with polar unfurl
ing appendages: Aniptodera, Cucullosporella, Halosarpheia, Moana, Ophi
odeira, and Trichomaris.