Summary: | Fig. 43. Diagrams of whorl expansion rate (WER) and whorl width index (WWI) of Deltoceras beluga sp. nov., from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. Solid lines connect measurements from individual specimens. Data of type specimens of D. planum Hyatt, 1894 from Ulrich et al. (1942). See Supp. file 2 for details of measurements Published as part of Kröger, Björn & Pohle, Alexander, 2021, Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities, pp. 1-102 in European Journal of Taxonomy 783 (1) on page 64, DOI:10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422
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