. Boletin de la Sociedad de Biología de Concepción. Sociedad de Biología de Concepción; Biology; Biology. Bol. Soc. Biol. Concepción, Chile. Tomo 71, 2000. Figuras 57; Lagena trigono-marginata; vista latero-abertural (x 260). 58: Stomatorbina concéntrica; vista ventral (x 154). 59: Nonionella miocenica; vista lateral (x 240). 60: Heterostegina depressa; vista lateral (x 80). 61: Heterostegina suborbicularis; vista lateral (x 70). 62: Sphaeridia papillata; vista lateral (x 104). 72. Please note that these images are extracted from scanned page images that may have been digitally enhanced for re

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. Boletin de la Sociedad de Biología de Concepción. Sociedad de Biología de Concepción; Biology; Biology. Bol. Soc. Biol. Concepción, Chile. Tomo 71, 2000. Figuras 57; Lagena trigono-marginata; vista latero-abertural (x 260). 58: Stomatorbina concéntrica; vista ventral (x 154). 59: Nonionella miocenica; vista lateral (x 240). 60: Heterostegina depressa; vista lateral (x 80). 61: Heterostegina suborbicularis; vista lateral (x 70). 62: Sphaeridia papillata; vista lateral (x 104). 72. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sociedad de Biología de Concepción; Sociedad de Bioquímica de Concepción; Universidad de Concepción. Concepción [Universidad de Concepción]

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