Starfish to starfish by the French zoologist de Blainville in 1830. It is derived from the Greek "aster", ἀστήρ (a star) and the Greek "eidos", εἶδος (form, likeness, appearance). The class Asteroidea belongs to the phylum Echinodermata. As well as the starfish, the echinoderms include sea urchins, sand dollars, brittle and basket stars, sea cucumbers and crinoids. The larvae of echinoderms have bilateral symmetry, but during metamorphosis this is replaced with radial symmetry, typically pentameric. Adult echinoderms are characterized by having a water vascular system with external tube feet and a calcareous endoskeleton consisting of ossicles connected by a mesh of
Fiery spiny mouse the skin quite easily. Unlike other species in the genus, the fiery spiny mouse does not lose its bare, scaled tail as easily. The fiery spiny mouse varies in color from a deep brown to a reddish mixed with some black on its back while the belly is white. The dorsal surface color has also been described as being orange in color. It has medium-sized ears and black eyes. The fiery spiny mouse is found in Northeastern Tanzania, near the Usambara Mountains and in Southern Kenya. It has a strictly confined habitat, occupying primarily rocky habitats in dry savannas in