forbesi
There are 2,000 species of starfish.
there are probably 100 diffrent kinds of starfish around the world
Echinodermata is the species name for starfishes
Starfish are Echinoderms, and there are many species in several orders. (see the related link)
There are over 1,800 different species of starfish so to know which family a specific starfish is in, you would need to be more specific about which species of starfish you are referring to.
There is no record of who exactly discovered starfish. There are millions of starfish species in oceans all over the world.
Yes starfish live on the ocean floor. Starfish are invertebrates and there are over 1500 different species of starfish in the world.
Starfish belong to the species of phylum Echinodermata. Starfish are found in the oceans around the world with a large population in the Pacific and Indian oceans.
Nope
keystone species
Some types of starfish eat other smaller species of starfish, if that was what you were getting at.
Starfish belong to the kingdom Animalia, phylum Echinodermata, class Asteroidea. Within the class Asteroidea, there are around 1,600 species of starfish that are further classified into different orders, families, genera, and species.