Zooplankton composition shows a high abundance of Calanoid Copepoda, Chaetognatha, Salpidae and Hydromedusae.    From Wordnik.com.  [Patagonian Shelf large marine ecosystem] Reference

Of the phyla you haven't seen alive, I have seen: Chaetognatha, Nematomorpha, Nemertea, Sipuncula, Echiura which is really a subgroup of Annelida, Phoronida and Brachiopoda.    From Wordnik.com.  [So many phyla so little time] Reference

Instead, I will list a compilation of some of the phyla of which I have yet to see a live member: Acanthocephala, Chaetognatha, Gnathostomulida.    From Wordnik.com.  [SNAIL'S TALES] Reference

Arrow worms (Phylum Chaetognatha) are abundant planktonic organisms and important predators in many food webs; yet, the classification and evolutionary relationships among chaetognath species remain poorly understood.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

The number of species in the upper 200 meters (m) of the pelagic oceanic environment is well known for four groups of animals, the Euphausicacea, Chaetognatha, Pteropoda and Copepoda, which dominate the biomass everywhere.    From Wordnik.com.  [Featured Articles - Encyclopedia of Earth] Reference

Barcoding of Arrow Worms (Phylum Chaetognatha) from Three Oceans: Genetic Diversity and Evolution within an Enigmatic Phylum.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

Instead, I will list a compilation of some of the phyla of which I have yet to see a live member: Acanthocephala, Chaetognatha, Gnathostomulida, Hemichordata, Nematomorpha, Nemertea, Onychophora, Priapulida, Sipuncula, Echiura, Phoronida, Loricifera, Pogonophora, Brachiopoda, Placozoa and so on.    From Wordnik.com.  [So many phyla so little time] Reference