Across
- 3. phylum of errantians and sedentarians
- 6. major annelid clade; parapodia prominent, mostly marine
- 9. open-ended ciliated nephridia of most annelida
- 12. inverted feeding structure of the annelid GI tract
- 13. major annelid clade; many freshwater or terrestrial
- 14. annelid circulatory system
- 15. bristles off the distal end of parapodia
- 16. first complete annelid segment
- 18. clade of leeches
- 20. closed-ended nephridium, flame cell
Down
- 1. ganglia above the anneli pharynx
- 2. specialization of metameric body segments
- 4. "earthworm" genus, prominent clitellum
- 5. repetitive annelid lateral extensions with setae
- 7. simple gas exchange method of most annelids
- 8. dorsal/anterior annelid lobe, before the mouth
- 10. cocoons earthworm and leech eggs
- 11. segmental arrangement of body parts
- 14. clade united by homologous clitellum
- 17. thin-walled food storage area of annelid GI tract
- 19. muscular grinding organ of annelid GI tract