Annelid - Wikipedia
The annelids (/ ˈ æ n ə l ɪ d z /), also known as the segmented worms, comprise a large phylum called Annelida (/ ə ˈ n ɛ l ɪ d ə /; from Latin anellus 'little ring'). [3] [a] The phylum contains …
Segmented Worms and Their Species - ThoughtCo
2019年1月20日 · Segmented worms (Annelida) are a group of invertebrates that includes about 12,000 species of earthworms, ragworms, and leeches. Segmented worms live in marine …
annelid - Encyclopedia Britannica
2024年12月26日 · A major invertebrate phylum of the animal kingdom, the annelids number more than 9,000 species distributed among three classes: the marine worms (Polychaeta), which …
Annelid - Examples, Characteristics, Anatomy, & Pictures
2024年8月1日 · Annelids, commonly known as segmented worms, are soft-bodied, bilaterally symmetrical invertebrates of the phylum Annelida. They constitute the earthworms, leeches, …
Segmented Worms - Encyclopedia.com
Segmented worms (phylum Annelida) are so named because of their elongated, more or less cylindrical bodies divided by grooves into a series of ring like segments. Typically, the external …
Segmented Worms - All About Worms
Segmented worms, though small, are more highly evolved than even slugs and snails. Segmented worms belong to the phylum Annelida, a group of soft-sided animals that have …
Phylum Annelida Examples and Characteristics
Annelids (members of the phylum Annelida) are triploblastic bilaterally symmetrical animals with a segmented body (they are also known as segmented worms). With an estimated 22,000 …