Phylum Ectoprocta (Bryozoa)
Ectoprocta (ek-to-prok’ – ta) (Gr. ektos, outside, + proktos, anus) contains aquatic animals that often encrust hard surfaces. Most species...
Ectoprocta (ek-to-prok’ – ta) (Gr. ektos, outside, + proktos, anus) contains aquatic animals that often encrust hard surfaces. Most species...
Members of phylum Acanthocephala (a-kan’ -tho-sef ‘-a-la) (Gr.akantha, spine or thorn, + kephale¯, head) are commonly called “spiny-headed worms.” The...
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The final three phyla in this chapter are the most controversial taxa placed within Protostomia. Evidence that Ectoprocta, Brachiopoda, and...
Entoprocta (en’ – to-prok ‘-ta) (Gr. entos, within, + proktos, anus) is a small phylum of about 150 species of...
Gastrotricha ( gas-tro-tri’ -ka) (N. L. fr. Gr. gaster, gastros, stomach or belly, + thrix, trichos, hair) includes small, ventrally...
The first and only micrognathozoan , Micrognathozoa specimen, was collected from Greenland in 1994 but not formally described until 2000....
Rotifera (ro-tif -e-ra) (L. rota, wheel, fera, those that bear) derivet heir name from the characteristic ciliated crown, or corona,...
Gnathostomulids are delicate wormlike animals less than 2 mm long . The first known species of Gnathostomulida (nath’o-sto-myu’lid-a) (Gr. gnathos,...
Nemerteans (nem-er -te-ans) are often called ribbon worms. Their name (Gr. Nemertes, one of the Nereids, unerring one) refers to...
The name Mesozoa (mes-o-zo -a) (Gr. mesos, in the middle+ zoon, animal) was coined by an early investigator (vanBeneden, 1876)...
Taenia saginata (Gr. tainia, band, ribbon) is called the beef tapeworm, but it lives as an adult in the human...