One place, one parent, two species.
Hopkin
Michael
M
D000818:Animals; D001315:Australia; D005399:Fishes / Q000145:classification* / Q000502:physiology*; D005618:Fresh Water; D049810:Genetic Speciation; D005843:Geography; D008954:Models, Biological; D009527:Nicaragua; D010802:Phylogeny; D013045:Species Specificity; D014197:Trees / Q000145:classification* / Q000502:physiology*