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Swiss Journal of Palaeontology
Fig. 6 | Swiss Journal of Palaeontology

Fig. 6

From: Gigantism, taphonomy and palaeoecology of Basiloceras, a new oncocerid genus from the Middle Devonian of the Tafilalt (Morocco)

Fig. 6

Details of the siphuncle of Basiloceras david sp. nov., holotype, PIMUZ 35928. a Reconstructed outline of the last septum in adapical view, showing the position of the siphuncle and where the last chamber has been cut. b Detail of the siphuncle at the last septum with the last chamber removed, adapical view (whitened with NH4Cl). c Polished section through the siphuncle (photographed under H2O)

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