- radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
How To Use Echinodermata In A Sentence
- Mivart adduces this case, chiefly on account of the supposed difficulty of organs, namely the avicularia of the Polyzoa and the pedicellariæ of the Echinodermata, which he considers as essentially similar, having been developed through natural selection in widely distinct divisions of the animal kingdom. VII. Miscellaneous Objections to the Theory of Natural Selection
- In fact, there are so many species of beetles that there are more species of beetles than the total number of species currently living in the Phyla Echinodermata, Mollusca, Annelida, Platyhelminthes, Cnidaria, and Porifera combined! Species richness
- The Echinodermata (star-fishes, sea-urchins, &c.) are furnished with remarkable organs, called pedicellariæ, which consist, when well developed, of a tridactyle forcepsthat is, of one formed of three serrated arms, neatly fitting together and placed on the summit of a flexible stem, moved by muscles. VII. Miscellaneous Objections to the Theory of Natural Selection
- The starfish along with sea urchins and relatives including feather stars, brittle stars, basket stars, sea daisies, sea lilies, and sea cucumbers make up the Phylum Echinodermata.
- Sea cucumbers, invertebrate animals of the phylum Echinodermata, might hold out some hope for the afflicted.
- The superphylum Deuterostomia contains the diverse phyla Chordata and Echinodermata and the minor phyla Hemichordata and Urochordata.
- Pelagic species were from the Chaetognatha, Cnidaria, Crustacea, Ctenophora, and Mollusca, and benthic species were from the Chordata, Crustacea, Mollusca, and Echinodermata.