Fig. 35 in Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities

Fig. 35. Median sections of phragmocones of Buttsoceras buldrebreenensis sp. nov. from bed PO 131, from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A. Specimen FMNH-P30421, heavily recrystallized phragmocone, ventral side toward the left, see Fig. 1...

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Bibliographic Details
Main Authors: Kröger, Björn, Pohle, Alexander
Format: Other/Unknown Material
Language:unknown
Published: 2021
Subjects:
Biodiversity
Taxonomy
Animalia
Mollusca
Cephalopoda
Orthocerida
Troedssonellidae
Buttsoceras
Ny Friesland
Spitsbergen
Online Access:https://zenodo.org/record/5793530
https://doi.org/10.5281/zenodo.5793530
Description
Summary:Fig. 35. Median sections of phragmocones of Buttsoceras buldrebreenensis sp. nov. from bed PO 131, from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A. Specimen FMNH-P30421, heavily recrystallized phragmocone, ventral side toward the left, see Fig. 11B for interpretation. B–C. Specimen FMNH-P30430, septa are only partly preserved. C. Detail of B with loxochoanitic septal neck and connecting ring relatively well preserved. Scale bars: A–B = 5 mm; C = 1 mm. 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 53, DOI:10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422

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