Pontogammarus aestuarius (Derzhavin, 1924) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Malacostraca order Amphipoda family Pontogammaridae genus Pontogammarus species Pontogammarus aestuarius Name Synonyms Gammarus aestuarius Derzhavin, 1924 Pontogammarus robustoides aestuarius Derzhavin, 1924 Homonyms Pontogammarus aestuarius (Derzhavin, 1924)