cc-by-4.0Kröger, Björn2025-04-292025-03-032025-03-03https://datakatalogi.helsinki.fi/handle/123456789/6042Table 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 RS328537142100BiodiversityTaxonomyTable 5 in The Lyckholm acme of cephalopods - Review of the late Katian (Vormsi-Pirgu regional stages) Ordovician cephalopods of Estoniadataset