atrial frill

atrial frill
paired ventral structures on the posterior trunk on each side of the tail in Bothriolepis canadensis (Placodermi). Suggested to be ventral fins, claspers or an external shell gland

Dictionary of ichthyology. 2009.

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.