Fig. 23 in Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities

Fig. 23. Median sections of phragmocones of Svalbardoceras gen. nov., from Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A, C, E, G. Svalbardoceras sterna gen. et sp. nov., from bed PO 7.5. A, E. Specimen FMNH-P30371. B, D, F. Svalbardoceras skua gen. et...

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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
Tetrabranchia
Rioceratidae
Svalbardoceras
Svalbardocreas
Ny Friesland
Spitsbergen
Online Access:https://zenodo.org/record/5793492
https://doi.org/10.5281/zenodo.5793492
Description
Summary:Fig. 23. Median sections of phragmocones of Svalbardoceras gen. nov., from Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A, C, E, G. Svalbardoceras sterna gen. et sp. nov., from bed PO 7.5. A, E. Specimen FMNH-P30371. B, D, F. Svalbardoceras skua gen. et sp. nov., from bed PO 123.3. B. Specimen FMNH-P30275. C, G. Specimen FMNH-P30368, holotype. D, F. Specimen FMNH-P30471, oblique sagittal section through siphuncle, distance from conch margin is cutting effect. Scale bars: A–D = 5 mm; E–G = 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 35, DOI:10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422

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