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Septalaria subtetragona
Taxonomy
Terebratula subtetragona was named by Schnur (1850). It is not extant. It is the type species of Septalaria.
It was recombined as Septalaria subtetragona by Leidhold (1928).
It was recombined as Septalaria subtetragona by Leidhold (1928).
Sister species lacking formal opinion data