Figure 1: A comparison of reef fish tooth morphologies over the last 240 million years reveals the rise of new long-toothed fishes. | Nature Communications

Figure 1: A comparison of reef fish tooth morphologies over the last 240 million years reveals the rise of new long-toothed fishes.

From: Evolution of long-toothed fishes and the changing nature of fish–benthos interactions on coral reefs

Figure 1

(a) Species from Triassic (237–204 Ma); (b) Jurassic (151–146 Ma); (c) Eocene (50 Ma) and (d) Recent assemblages. (e) All data combined with examples of teeth from five extant species. The PCA was conducted on body-length standardized residuals of five relative shape variables. Dashed lines indicate the maximum area of tooth morphospace occupied by Recent fishes.

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