For those determined Linneans out there, this academy of sciences maintains a Linnean scheme at Classification of the Extant Echinodermata. |
|
The superphylum Deuterostomia contains the diverse phyla Chordata and Echinodermata and the minor phyla Hemichordata and Urochordata. |
|
Sea cucumbers, invertebrate animals of the phylum Echinodermata, might hold out some hope for the afflicted. |
|
Pelagic species were from the Chaetognatha, Cnidaria, Crustacea, Ctenophora, and Mollusca, and benthic species were from the Chordata, Crustacea, Mollusca, and Echinodermata. |
|
Sea urchins are members of the phylum Echinodermata, which also includes sea stars, sea cucumbers, brittle stars, and crinoids. |
|
The most familiar invertebrates include the Protozoa, Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Echinodermata, Mollusca and Arthropoda. |
|