The relative synonymous codon usage (RSCU) of the mitochondrial PCGs of S. japonica.

 
 
  Part of: Ma C, Meng L, Wang X, Liu Y, Li Y, Liu Y (2025) The complete mitochondrial genome of Siphonaria japonica (Heterobranchia, Siphonariidae) and its phylogenetic implications. ZooKeys 1240: 257-276. https://doi.org/10.3897/zookeys.1240.141126