DescriptionFiona pinnata cerata 2.png English: Drawing of cross section of ceras of Fiona pinnata. There are small afferent vessels (1) in cerata with puckerd...
DescriptionFiona pinnata cerata.png English: Drawing of cerata of Fiona pinnata. There are small afferent (leading into the heart) vessels in cerata with puckerd...
DescriptionFiona pinnata 4.png English: Drawing of dorsal view of the Fiona pinnata with cerata removed on the left side. There visible efferent vessels...
