Fig. 4 in The last jellyfish of the Precambrian
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2025
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| author | Ivantsov, A.Yu. Zakrevskaya, M.A. |
| author_facet | Ivantsov, A.Yu. Zakrevskaya, M.A. |
| contents | Fig. 4. Proposed scenario of the formation of the holotype of Bjarmia cycloplerusa Grazhdankin; 2016 (the arrow on the left indicates the sequence of events): A — the initial position of the attachment structure; Eoporpita; in silty-clayey ground with thin sand layers; B — formation of the fossil remains in the following sequence: death of the organism with subsequent decomposition of the organic matter — exposure of the remaining cavity in the ground by a water flow — deposition of coarse sandy sediment with clay pellets — formation of a cast of the lower side of the attachment structure; C — fragmentation of the rock slab during modern weathering; D — separation of the central part of the sand cast along a cluster of mudstone pebbles. Scale bar 1 cm. |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_15539442 |
| institution | Zenodo |
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| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Fig. 4 in The last jellyfish of the Precambrian Ivantsov, A.Yu. Zakrevskaya, M.A. Biodiversity Taxonomy Animalia Bjarmia Fig. 4. Proposed scenario of the formation of the holotype of Bjarmia cycloplerusa Grazhdankin; 2016 (the arrow on the left indicates the sequence of events): A — the initial position of the attachment structure; Eoporpita; in silty-clayey ground with thin sand layers; B — formation of the fossil remains in the following sequence: death of the organism with subsequent decomposition of the organic matter — exposure of the remaining cavity in the ground by a water flow — deposition of coarse sandy sediment with clay pellets — formation of a cast of the lower side of the attachment structure; C — fragmentation of the rock slab during modern weathering; D — separation of the central part of the sand cast along a cluster of mudstone pebbles. Scale bar 1 cm. |
| title | Fig. 4 in The last jellyfish of the Precambrian |
| topic | Biodiversity Taxonomy Animalia Bjarmia |
| url | https://doi.org/10.5281/zenodo.15539442 |