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Summary
| Description |
English: Fig. 6. Light microscopy photographs of selected geniculate elements of species of Drepanoistodus, as outlined herein, from the Lynna River section, Russia. A–D. Drepanoistodus basiovalis (Sergeeva, 1963). A. LO 12476t, inner view, sample LY12-16, L. variabilis Zone. B. Same specimen as A in outer view. C. LO 12477t, inner view, sample LY12-9,L. antivariabilis Zone. D. LO 12478t, inner view, sample LY12-21b, L. variabilis Zone. E–H. Drepanoistodus iommii sp. nov. E. LO 12479T, holotype, inner view, sample LY12-16, L. variabilis Zone. F. Same specimen as E in outer view. G. LO 12480t, inner view, sample LY12-21b, L. variabilis Zone. H. LO 12481t, inner view, sample LY12-3, L. antivariabilis Zone. I–L. Drepanoistodus svendi sp. nov. I. LO 12482t, inner view, sample LY12-13, L. variabilis Zone. J–K. LO 12483T, holotype, inner and outer view, respectively, sample LY12-14, L. variabilis Zone. L. Same specimen as I in outer view. M–O. Drepanoistodus viiraesp. nov. M. LO 12484T, holotype, inner view, sample LY12-31, interzone (“uncertain interval”) between the Lenodus variabilis Zone and the Yangtzeplacognathus crassus Zone sensu Lindskog et al. (2020). N. Same specimen as M in outer view. O. LO 12485t, inner view, sample LY 12-31, interzone (“uncertain interval”) between the Lenodus variabilis Zone and the Yangtzeplacognathus crassus Zone sensu Lindskog et al. (2020). P–Q. Drepanoistodus aff. basiovalis (Sergeeva, 1963), LO 12486t, inner and outer view, respectively, sample LY12-9, L. antivariabilis Zone. R–S. Drepanoistodus stougeiRasmussen, 1991, LO 12487t, inner and outer view, respectively, sample LY12-13, L. variabilis Zone. T. Drepanoistodus cf. suberectus (Branson & Mehl, 1933), LO 12488t, inner view, sample LY14-2, Y. crassus Zone. Scale bar = 200 μm (all specimens illustrated at same scale). |
| Date | |
| Source | https://doi.org/10.5852/ejt.2021.774.1533 |
| Author | Rasmussen, J. A., Eriksson, M. E., & Lindskog, A. (2021). Middle Ordovician Drepanoistodus (Vertebrata, Conodonta) from Baltica, with description of three new species. European Journal of Taxonomy, 774(1), 106–134. |
| Permission (Reusing this file) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:02, 18 February 2022 | | 1,893 × 2,184 (4.2 MB) | Christian Ferrer | {{Information | description = {{en|1=Fig. 6. Light microscopy photographs of selected geniculate elements of species of ''Drepanoistodus'', as outlined herein, from the Lynna River section, Russia. A–D. ''Drepanoistodus basiovalis'' (Sergeeva, 1963). A. LO 12476t, inner view, sample LY12-16, L. variabilis Zone. B. Same specimen as A in outer view. C. LO 12477t, inner view, sample LY12-9,L. antivariabilis Zone. D. LO 12478t, inner view, sample LY12-21b, L. variabilis Zone. E–H. ''Drepanoistod... |
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