Short-beaked echidna was created in 1792.
Echidna amblyodon was created in 1856.
Echidna flea was created in 1843.
Echidna nocturna was created in 1872.
Echidna catenata was created in 1795.
Echidna xanthospilos was created in 1859.
Echidna rhodochilus was created in 1863.
Echidna unicolor was created in 1953.
Echidna leucotaenia was created in 1943.
Echidna peli was created in 1856.
Echidna delicatula was created in 1856.
if bottlenosed dolphins swim together,then the shortbeaked common dolphin may swim together so try looking in the same ocean a bottlenosed dolphin lives in.
Western long-beaked echidna was created in 1876.