sentences:  This species was moved to its own genus, "Istiodactylus", in 2001; this name is Greek for "sail finger".More specimens were described in 1913, and "Istiodactylus" was the only pterosaur known from three-dimensionally preserved fossils for much of the 20th century.In 2006, a species from China, "I. sinensis", was assigned to "Istiodactylus", but it has since been found to belong to a different genus.