Invertebrate/Related Articles

Invertebrate: An animal who does not have a skeleton with a backbone, vertebrae, or a cranium. ^[e]

This article contains just a definition and optionally other subpages (such as a list of related articles), but no metadata. Create the metadata page if you want to expand this into a full article.

A collection of links to articles, or potential articles about invertebrates.
Tasks include:
1) write a definition for each topic.
2) start a new article (click a red link).
3) expand an existing stub or article.

Subtopics

• Annelid [r]: Add brief definition or description
  • Segmented worm [r]: Add brief definition or description
  • Earthworm [r]: Add brief definition or description
  • Leech [r]: Annelids of the class Hirudinea, characterized by a cylindrical or slightly flattened body with suckers at either end for attaching to prey and drawing blood. ^[e]
  • Polychaete [r]: Add brief definition or description

• Arthropoda [r]: Phylum which includes insects, crustaceans, and organisms with a hard shell-like segmented body. ^[e]
  • Insect [r]: One of numerous small arthropod animals with six legs, an exoskeleton that grows by molting, and oftentimes wings. ^[e]
  • Arachnid [r]: Add brief definition or description
  • Crustacean [r]: Add brief definition or description

• Cnidaria [r]: Add brief definition or description
  • Jellyfish [r]: Add brief definition or description
  • Coral [r]: Add brief definition or description
  • Sea anemone [r]: Add brief definition or description
  • Hydras [r]: Add brief definition or description

• Echinoderm [r]: Add brief definition or description
  • Starfish [r]: Add brief definition or description
  • Sea urchin [r]: Add brief definition or description
  • Sea cucumber [r]: Add brief definition or description

• Mollusca [r]: Add brief definition or description
  • Squid [r]: Please do not use this term in your topic list, because there is no single article for it. Please substitute a more precise term. See Squid (disambiguation) for a list of available, more precise, topics. Please add a new usage if needed.
  • Snail [r]: Add brief definition or description
  • Bivalve [r]: Add brief definition or description

• Nematode [r]: Add brief definition or description
  • Round worm [r]: Add brief definition or description

• Nematomorpha [r]: Add brief definition or description
  • Horsehair worm [r]: Add brief definition or description
  • Gordian worm [r]: Add brief definition or description

• Platyhelminthes [r]: Add brief definition or description
  • Flat worm [r]: Add brief definition or description

• Porifera [r]: Add brief definition or description
  • Sponge [r]: Add brief definition or description