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Environmental and racial influences on the masticatory apparatus of mediterranean and atlantic populations ofOphryotrocha labronica (Annelida, Polychaeta)

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Summary

Significant differences in the length of the definitive upper jaw have been ascertained in 3 populations of the comprehensive speciesO. labronica. The ratio of the variance (F) of the 3 populations has been employed in evaluating the taxonomic distance between the populations. The density of the water and the kind of food strongly influence the length of the definitive upper jaw.

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Cuffaro, F.C. Environmental and racial influences on the masticatory apparatus of mediterranean and atlantic populations ofOphryotrocha labronica (Annelida, Polychaeta). Experientia 34, 1565–1566 (1978). https://doi.org/10.1007/BF02034676

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