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