Gammarus pulex was created in 1758.
Naphrys pulex was created in 1846.
Daphnia pulex was created in 1758.
Homarus gammarus was created in 1758.
Gammarus lacustris was created in 1863.
Gammarus roeseli was created in 1835.
Gammarus desperatus was created in 1981.
Gammarus acherondytes was created in 1940.
Gammarus bousfieldi was created in 1961.
Gammarus chevreuxi was created in 1913.
Gammarus pecos was created in 1970.
Gammarus hyalelloides was created in 1976.
Gammarus setosus was created in 1931.