Traits taxon details
original description
(of Helicolepidina polygyralis Barker, 1932 †) Barker, R. W. (1932). Larger Foraminifera from the Eocene of Santa Elena Peninsula, Ecuador. <em>Geological Magazine.</em> 69(07): 302-310., available online at https://doi.org/10.1017/s0016756800097818 [details] Available for editors
new combination reference
Adams, C. G. (1987). On the Classification of the Lepidocyclinidae (Foraminiferida) with Redescriptions of the Unrelated Paleocene Genera Actinosiphon and Orbitosiphon. <em>Micropaleontology.</em> 33(4): 289-317., available online at https://doi.org/10.2307/1485571 [details] Available for editors
new combination reference
Butterlin. J. (1971). Contributions à la connaissance du Paléogène marin du Nord-Ouest de la Colombie, basée sur les Macroforaminifères. <em>Eclogae Geologicae Helvetiae.</em> 64: 13-27., available online at https://doi.org/10.5169/seals-163966 [details] Available for editors
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