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