Fig. 47 in Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities

• Main Authors: Kröger, Björn, Pohle, Alexander
• Format: Still Image
• Language: unknown
• Published: Zenodo 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Cephalopoda; Tarphycerida; Trocholitidae; Litoceras; Trocholitoceras; Hyatt; Ny Friesland; Olen’; Spitsbergen
• Online Access: https://dx.doi.org/10.5281/zenodo.5793565; https://zenodo.org/record/5793565

Fig. 47. Diagrams of whorl expansion rate (WER), whorl width index (WWI), and relative depth of impression zone (IZR) of Trocholitoceras walcotti Hyatt, 1894, T. latum Ulrich et al., 1942, and Litoceras profilbekkenense sp. nov. Measurements from specimens from the Olenidsletta Member (Olen. Mbr), F...