Soleiform archeopyle

From dinoflaj2
Revision as of 23:55, 31 August 2015 by Maintenance script (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

An archeopyle involving a middorsal anterior intercalary plate which is quadra and in which the operculum remains attached anteriorly.