Fig. 28 in Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities

• Main Authors: Kröger, Björn, Pohle, Alexander
• Format: Other/Unknown Material
• Language: unknown
• Published: 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Cephalopoda; Orthocerida; Baltoceratidae; Bactroceras; Eosomichelinoceras; Ny Friesland; Spitsbergen
• Online Access: https://zenodo.org/record/5793508; https://doi.org/10.5281/zenodo.5793508

Fig. 28. Reconstruction and interpretation of details of connecting ring and septal necks.A–B. Bactroceras boliviensis Aubrechtová, 2015.A. Specimen FMNH-P30243, see Fig. 27D. B. Specimen FMNH-P30215, see Fig. 29A. C. Eosomichelinoceras borealis sp. nov., from the Olenidsletta Member, Floian, Ordovi...