• Cockscomb pearl mussel
Scientific classification:
Kingdom:Animalia
Phylum:Mollusca
Class:Bivalvia
Order:Unionida
Family:Unionidae
Genus:Cristaria
Species:C. plicata
Changhu Lake, Hubei Province, China
+220mm
From my collection
via Flickr https://flic.kr/p/2iq5A3p