From Fensome et al., 2019:
Nannoceratopsis triangulata Prauss, 1987, p.131–135, fig.2, nos.1–3; fig.3, nos.1–3; fig.4, nos.1–3. Holotype: Prauss, 1987, fig.2, no.1; fig.3, nos.1,3. Age: late Toarcian.

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