Crossaster papposuses are commonly called Rose Sea Stars. Rose Sea Stars are classified as the following:
Kingdom: Animalia
Phylum: Echinodermata
Class: Stelleroidea
Order: Spinulosida
Family: Solasteridae
Genus: Crossaster
Species: Crossaster papposus
Rose Sea Stars lived in the Quarternary Period of the Cenozoic Era of the Geologic time scale. It has lived from 1 million years ago to present day. Other species of that time are man and saber-toothed cats.
Crossaster papposuses usually have anywhere from eight to thirteen arms. The arms can reach from twenty to thirty-five centimeters.…