Fig. 29 in Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities
Fig. 29. Median sections of phragmocones of Bactroceras Holm, 1898. A, C–D. Bactroceras fluvii sp. nov., from Profilbekken river basin, locality PR-phosphatic. A. Specimen FMNH-P30159, with adapical siphuncular segment, taphonomically slightly distorted.B. Bactroceras boliviensis Aubrechtová, 2015,...
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Format: | Other/Unknown Material |
Language: | unknown |
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2021
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Online Access: | https://zenodo.org/record/5793512 https://doi.org/10.5281/zenodo.5793512 |