What are the 5 groups of deuterostomes?

Types of Deuterostome
  • Crinoidea—Feather stars and sea lilies.
  • Asteroidea—Sea stars.
  • Ophiuroidea—Brittle stars.
  • Echinoidea—Sea urchins and sand dollars.
  • Holothuroidea & Concentricycloidea—Sea cucumbers & Sea Daisies.

How many deuterostome species are there?

In terms of numbers of species and range of habitats occupied, the most successful lineages of deuterostomes are the echinoderms, with 7000 named species, and the vertebrates, with 54 000 known species.

Who are the major deuterostome groups?

The three major clades of deuterostomes are the echinoderms, the hemichordates, and the chordates. The common ancestry of these groups is supported by early developmental similarities and by phylogenetic analyses of DNA sequences.

What are the 4 existing phylum of deuterostome?

There are four living phyla of deuterostomes: … Phylum Echinodermata (starfish, sea urchins, sea cucumbers, etc.) Phylum Hemichordata (acorn worms and possibly graptolites) Phylum Xenoturbellida (2 species of worm-like animals)

Are frogs deuterostomes?

Chapter 27Deuterostomes. … This chapter discusses some general features of glycosylation and glycan-binding interactions in a few species that belong to the deuterostome lineage, with particular emphasis on sea urchins, frogs, zebrafish, and mice.

Are birds deuterostomes?

All chordates (which includes all vertebrates), such as birds and mammals, are deuterostomes. … The deuterostome mouth develops at the opposite end of the embryo from the blastopore and a digestive tract develops in the middle, connecting the two.

Are arthropods deuterostomes?

Protostomes and Deuterostomes

Mollusks, annelids, and arthropods are protostomes. Echinoderms and chordates are deuterostomes. This distinction is important.