Compound operculum

From dinoflaj2
Revision as of 00:53, 1 September 2015 by Maintenance script (Talk | contribs)

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

An operculum separated into two or more opercular pieces. See also simple operculum and archeopyle. Refer to Text-Figure 113D-F.