[echinoderm] Culcita is a genus of cushion stars. They are found in tropical waters. Some are kept in home aquaruims. The genus contains three species: ... Found on http://en.wikipedia.org/wiki/Culcita_(echinoderm)
genus Culcitanoun includes some plants usually placed in e.g. genus Dicksonia: terrestrial ferns resembling bracken; tropical America; Malaysia to Australia and Polynesia; southwestern Europe and Atlantic islands Found on https://www.encyclo.co.uk/local/20974