A Variation of the R-index with shell length B range and mean values of R-index for Far East Russian specimens of Cristaria plicata, C. herculea and C. tuberculata.

 
 
  Part of: Klishko OK, Lopes-Lima M, Froufe E, Bogan AE, Abakumova VY (2016) Systematics and distribution of Cristaria plicata (Bivalvia, Unionidae) from the Russian Far East. ZooKeys 580: 13-27. https://doi.org/10.3897/zookeys.580.7588