The specimens collected by Preiss were not limited to plants: they included birds, reptiles, insects and molluscs. The molluscs were described by Karl Theodor Menke and published in Hanover in 1843 titled Molluscorum Novae Hollandiae Specimen.
Preiss's collection included a wide range of specimens beyond plants, including birds, reptiles, insects, and molluscs. The molluscs were later described by Karl Theodor Menke and published in 1843 as part of the Molluscorum Novae Hollandiae Specimen.