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Taxonomic information across the Internet
Taxonomic information across the Internet
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Polychaete Key
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About
Spionidae Genera key
Please answer each question, then press Analyse.
1
Less than 6 pairs of branchae
Yes
No
Not Observed
2
Gills begin on setiger
1
2
6
7
10 or later
Not Observed
3
Prostomium with horns
Yes
No
Not Observed
4
Setiger 4 or 5 enlarged & with modified hooks
Yes
No
Not Observed
5
Prostomium pointed
Yes
No
Not Observed
6
Occipital antenna
Yes
No
Not Observed
7
Posterior notosetae
Capillaries only
Hooks only
Mixed
Not Observed