Aforia ecuadoriana Olsson, 1964 † (original description)
Agladrillia gracilis Olsson, 1964 † (original description)
Anodontia stainforthi J. G. Marks, 1951 † (additional source)
Buridrillia dalli Olsson, 1964 † (original description)
Carinodrillia felis Olsson, 1964 † (original description)
Chlamys (Chlamys) woodringi Olsson, 1964 † represented as Chlamys woodringi Olsson, 1964 † (original description)
Dallora Olsson, 1964 † (original description)
Dallora ecuadoria Olsson, 1964 † (original description)
Echinophoria woodringi Olsson, 1964 † (original description)
Glyphostoma annae Olsson, 1964 † (original description)
Glyphostoma drangai Olsson, 1964 † (original description)
Glyphostoma gracilis Olsson, 1964 † (original description)
Lepicythara Olsson, 1964 † (original description)
Lepicythara camaronensis Olsson, 1964 † (original description)
Metaphos Olsson, 1964 (original description)
Microcardium ecuadoriense Olsson, 1964 † (original description)
Neosconsia Olsson, 1964 † (original description)
Neosconsia ecuadoriana Olsson, 1964 † (original description)
Pachyturris Olsson, 1964 † (original description)
Pachyturris carissa Olsson, 1964 † (original description)
Panchione Olsson, 1964 (original description)
Pleurotomella esmeralda Olsson, 1964 † (original description)
Polystira andersoni Olsson, 1964 † (original description)
Polystira fargoi Olsson, 1964 † (original description)
Polystira oxytropis ecuadoriana Olsson, 1964 † (original description)
Pyruclia lacondamini Olsson, 1964 † (original description)
Pyruclia pycta Olsson, 1964 † (original description)
Pyruclia telemba Olsson, 1964 † (original description)
Scobinella ecuadoriana Olsson, 1964 † (original description)
Thatcheria (Conicheria) Olsson, 1964 † (original description)
Thatcheria (Conicheria) ecuadoriana Olsson, 1964 † (original description)
Turritella (Bactrospira) Cossmann, 1912 † represented as Turritella Lamarck, 1799 (basis of record)
Turritella (Bactrospira) acosta Olsson, 1964 † represented as Turritella acosta Olsson, 1964 † (original description)
Turritella (Broderiptella) Olsson, 1964 accepted as Broderiptella Olsson, 1964 (original description)