Phylum Nemertea (Rhynchocoela)
Phylum Nemertea (Rhynchocoela)
Phylum Nemertea (Rhynchocoela)
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Key characters:<br />
1) Mesenchyme thickness<br />
2) Muscles<br />
3) Placement of longitudinal nerve<br />
cords<br />
4) Major longit. blood vessels