Lophotrochozoa Flashcards
1
Q
What are Lophotrochozoa?
A
A clade of proterostomes within Spiralia
2
Q
How many phyla in this clade? Mono or paraphyletic?
A
- Monophyletic
3
Q
Describe Bryozoans
A
Colonial and sessile. Have lophophore
4
Q
Describe Gnathifera
A
Mastax (jaw-like structure). Includes rotifera (attach to substrate) and platyhelminthes (lost coelom over time. inc. flatworms, tapeworms etc)
5
Q
Describe Brachiozoa
A
Live in cold marine environments. Includes Phoronida (sessile, filter feeders, protective chitinous tube. e.g. horseshoe worms)
6
Q
Describe Annelida
A
Segmented worms, many roles in soil. Includes Clitellates (earthworms, leeches) and Polychaete (bristle worms)