Extended Data Fig. 2: Latitudinal and bathymetric gradients for species richness, family richness and phylogenetic diversity.
From: Contrasting processes drive ophiuroid phylodiversity across shallow and deep seafloors
a–f, Latitudinal (a, c, e) and bathymetric (b, d, f) gradients are shown for species richness (a, b), family richness (c, d) and phylogenetic diversity (e, f). Diversity peaks between 13 and 23° S and at a depth of between 200 and 700 m, declining in polar regions and abyss. A sub-equatorial peak of richness for shallow marine fauna has been observed for many marine datasets63. Across all latitudes, the bathymetric peak is in the upper to mid-bathyal, a pattern also recorded for numerous other eurybathyal invertebrates12,13,14. Our temperate mid-bathyal (1,000 m) latitudinal peak is compatible with northern Atlantic Ocean studies7. A, end of the Australian continental shelf; N, end of the New Zealand continental shelf; P, temperate–polar transition (south of Macquarie Island); T, tropical–temperate transition.