Classification of the genus Bactrospira
Subg. †Turritella (Bactrospira) Cossmann 1912
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†Turritella (Bactrospira) acosta Olsson 1964
†Turritella (Bactrospira) altilira Conrad 1857
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†Turritella altilira chiriquiensis Olsson 1922
†Turritella altilira costaricensis Olsson 1922
†Turritella (Bactrospira) altilira tornata Guppy 1917
†Turritella (Bactrospira) perattenuata Heilprin 1886
†Turritella perattenuata praecellens Pilsbry and Brown 1917