Table 1 in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)

Table 1. Coiling directions of the Trilobatus sacculifer plexus morphospecies and Globigerinoidesella fistulosa. See text for site locations and age. Coiling direction (% dextral) with 95% confidence intervalsMorpho-speciesT. sacculifer plexustrilobusimmaturusquadrilobatussacculiferfistulosaAverage39.043.837.230.637.825.7Standard deviation48.849.848.646.748.643.8Sample size4671448636201222Confidence coefficient1.961.961.961.961.961.96Margin of error4.48.110.315.36.75.8Upper bound43.451.947.545.844.531.4Lower bound34.535.626.915.331.119.9