Fig. 25 in Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities

Fig. 25. Bactroceras boliviensis Aubrechtová, 2015, from bed PO 131, from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A. Specimen FMNH-P30430, lateral view of body chamber with dorsomyarian muscle impression at base ventral, prosiphuncular side towa...

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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
Baltoceratidae
Bactroceras
Ny Friesland
Spitsbergen
Online Access:https://zenodo.org/record/5793500
https://doi.org/10.5281/zenodo.5793500
Description
Summary:Fig. 25. Bactroceras boliviensis Aubrechtová, 2015, from bed PO 131, from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A. Specimen FMNH-P30430, lateral view of body chamber with dorsomyarian muscle impression at base ventral, prosiphuncular side toward the left. B. Specimen FMNH-P30231, view of ventral, prosiphuncular side. C. Specimen FMNH-P30248, lateral view of specimen with partly cyclic spacing of ornamentation; ventral, prosiphuncular side toward the right. D. Specimen FMNH-P30215, with fine transverse ornamentation; ventral, prosiphuncular side toward the right. 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 37, DOI:10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422

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