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The Global Diversity of Sea Pens (Cnidaria: Octocorallia: Pennatulacea)
Figure 4
Bathymetric distributions of pennatulacean genera.
Sources: [11], [16], [40]–[41], [45]. The demarcation between bathymetric groups is arbitrary: shallow <400 m, mid-range 400-13—m, deep ≥2000 m.
doi: https://doi.org/10.1371/journal.pone.0022747.g004