Echidna flea was created in 1843.
Echidna unicolor was created in 1953.
Echidna xanthospilos was created in 1859.
Echidna rhodochilus was created in 1863.
Echidna delicatula was created in 1856.
Echidna leucotaenia was created in 1943.
Echidna peli was created in 1856.
Echidna amblyodon was created in 1856.
Echidna nocturna was created in 1872.
Echidna catenata was created in 1795.
Short-beaked echidna was created in 1792.
Eastern long-beaked echidna was created in 1907.
Western long-beaked echidna was created in 1876.