Spongin spicule?

```
http://purl.obolibrary.org/obo/PORO_0000032

http://bioportal.bioontology.org/ontologies/PORO/?p=classes&conceptid=http%3A%2F
%2Fpurl.obolibrary.org%2Fobo%2FPORO_0000032

Questions have been raised about this class. Is it valid?
```

Original issue reported on code.google.com by `cmung...@gmail.com` on 24 Sep 2014 at 3:48
