Table 5 in The Lyckholm acme of cephalopods - Review of the late Katian (Vormsi-Pirgu regional stages) Ordovician cephalopods of Estonia
Table 5. Observed richness (Sobs) and richness estimates of cephalopods for the Vormsi and Pirgu regional stages (RS) of Estonia. Coverage-extrapolated species richness (qD) based on twice the sample size with lower (lcl) and upper (ucl) 95% confidence level.sample sizeS obsqDlcl qDucl qDVormsi RS311537140101Pirgu RS328537142100