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Kozlowskiellina deltidialis
Taxonomy
Spirifer deltidialis was named by Hedstrom (1923). It is not extant.
It was recombined as Kozlowskiella deltidialis by Boucot (1957); it was recombined as Kozlowskiellina deltidialis by Bassett and Cocks (1974), Williams et al. (2006).
It was recombined as Kozlowskiella deltidialis by Boucot (1957); it was recombined as Kozlowskiellina deltidialis by Bassett and Cocks (1974), Williams et al. (2006).