Fig. 13 in Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities

Fig. 13. Details of the conch surface of transversally ornamented orthocones from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A. Ethanoceras solitudines gen. et sp. nov., FMNH-P30383, holotype, from bed PO 131. B. Eosomichelinoceras borealis sp. nov...

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Bibliographic Details
Main Authors: Kröger, Björn, Pohle, Alexander
Format: Still Image
Language:unknown
Published: Zenodo 2021
Subjects:
Biodiversity
Taxonomy
Animalia
Mollusca
Cephalopoda
Tetrabranchia
Rioceratidae
Ethanoceras
Orthocerida
Baltoceratidae
Bactroceras
Eosomichelinoceras
Ny Friesland
Spitsbergen
Online Access:https://dx.doi.org/10.5281/zenodo.5793459
https://zenodo.org/record/5793459
Description
Summary:Fig. 13. Details of the conch surface of transversally ornamented orthocones from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A. Ethanoceras solitudines gen. et sp. nov., FMNH-P30383, holotype, from bed PO 131. B. Eosomichelinoceras borealis sp. nov., FMNH-P30279, holotype, from bed PO 123.3. C. Bactroceras boliviensis Aubrechtová, 2015, FMNH-P30232, from bed PO 131, conch section with nearly cyclic spacing of transverse striae. Scale bar = 10 mm for all figures. : 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 24, DOI: 10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422

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