starfish
A spiny skinned invertebrate is called a sand dollar. That is because they are are echinoderms (a type of invertebrate),
A spiny-skinned invertebrate that lives on the ocean bottom floor is called a sea urchin.
Echinoderms
Echinoderm
Echinoderms
Sea urchin
a spiney tailed monitor can get up to 70 cm long.
No, while crabs are indeed invertebrates thy have a carapace not a skin.
Spiny skinned animals or Echinoderms (echino=spiny derma=skin) belong to the 9th Phyla of the kingdom animalia-Echinodermata.These animals have fairly developed bodies and have an organ level of organisation, that is, they have organs.Some common examples of these are-Sea Urchin (Echinus)Sea cucumbers (Holothuria)Feather Stars (Antedon)Star fishes (Asteria)
The parasitic roundworm (scientific name: Nematoda) is an invertebrate.
Sea Urchins are spiney
3 of the water invertebrate groups are the annelids, arthropods and crustacean.