Decastronema kotori gen. nov., comb. nov.: a mat-forming cyanobacterium on Cretaceous carbonate platforms and its modern counterparts
The fossil renamed here was first described in 1959 as Aeolisaccus kotori Radoičić, a new species of a problematic fossil worm, Aeolisaccus Elliott. In 1975 De Castro recognized the true relationships of this microbial fossil: a cyanobacterium related closely to the modern genus Scytonema. The fossi...
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| Format: | Article |
| Language: | English |
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Association Carnets de Geologie
2006-03-01
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| Series: | Carnets de Géologie |
| Subjects: | |
| Online Access: | http://paleopolis.rediris.es/cg/CG2006_A02/index.html |
| _version_ | 1797706772962607104 |
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| author | Golubic Stjepko Radoičić Rajka Seong-Joo Lee |
| author_facet | Golubic Stjepko Radoičić Rajka Seong-Joo Lee |
| author_sort | Golubic Stjepko |
| collection | DOAJ |
| description | The fossil renamed here was first described in 1959 as Aeolisaccus kotori Radoičić, a new species of a problematic fossil worm, Aeolisaccus Elliott. In 1975 De Castro recognized the true relationships of this microbial fossil: a cyanobacterium related closely to the modern genus Scytonema. The fossil is common in the sediments of the Mesozoic carbonate platforms of southern Europe. This contribution confirmed De Castro's interpretation, determined, using the high resolution of the SEM, the extent to which these fossils have preserved their original architecture, and investigated their presumed modern counterparts among the abundant mat-forming species of Scytonema on the intertidal flats of Andros Island, a part of the Bahama carbonate platform. The systematic affinities of the fossil and the environments it inhabited were reconstructed by comparing the morphology of the fossils to that of their modern counterparts, along with their respective sedimentary contexts. Based on these comparisons, we conclude that the organism lived in a peritidal environment and was buried and fossilized in the shallow waters of an ancient carbonate platform. A formal transfer of the fossil to a new genus of fossil cyanobacteria thereby designated as Decastronema gen. nov. is proposed, honoring the contribution of Prof. Piero De Castro to paleontology. |
| first_indexed | 2024-03-12T05:56:18Z |
| format | Article |
| id | doaj.art-346a025544be4b35b399736e7f36604f |
| institution | Directory Open Access Journal |
| issn | 1765-2553 1634-0744 |
| language | English |
| last_indexed | 2024-03-12T05:56:18Z |
| publishDate | 2006-03-01 |
| publisher | Association Carnets de Geologie |
| record_format | Article |
| series | Carnets de Géologie |
| spelling | doaj.art-346a025544be4b35b399736e7f36604f2023-09-03T04:29:28ZengAssociation Carnets de GeologieCarnets de Géologie1765-25531634-07442006-03-01CG2006A02Decastronema kotori gen. nov., comb. nov.: a mat-forming cyanobacterium on Cretaceous carbonate platforms and its modern counterpartsGolubic StjepkoRadoičić RajkaSeong-Joo LeeThe fossil renamed here was first described in 1959 as Aeolisaccus kotori Radoičić, a new species of a problematic fossil worm, Aeolisaccus Elliott. In 1975 De Castro recognized the true relationships of this microbial fossil: a cyanobacterium related closely to the modern genus Scytonema. The fossil is common in the sediments of the Mesozoic carbonate platforms of southern Europe. This contribution confirmed De Castro's interpretation, determined, using the high resolution of the SEM, the extent to which these fossils have preserved their original architecture, and investigated their presumed modern counterparts among the abundant mat-forming species of Scytonema on the intertidal flats of Andros Island, a part of the Bahama carbonate platform. The systematic affinities of the fossil and the environments it inhabited were reconstructed by comparing the morphology of the fossils to that of their modern counterparts, along with their respective sedimentary contexts. Based on these comparisons, we conclude that the organism lived in a peritidal environment and was buried and fossilized in the shallow waters of an ancient carbonate platform. A formal transfer of the fossil to a new genus of fossil cyanobacteria thereby designated as Decastronema gen. nov. is proposed, honoring the contribution of Prof. Piero De Castro to paleontology.http://paleopolis.rediris.es/cg/CG2006_A02/index.htmlAeolisaccus kotoriDecastronema n. gen.carbonate platformscyanobacteriadiagenesismicrobial fossilCretaceous. |
| spellingShingle | Golubic Stjepko Radoičić Rajka Seong-Joo Lee Decastronema kotori gen. nov., comb. nov.: a mat-forming cyanobacterium on Cretaceous carbonate platforms and its modern counterparts Carnets de Géologie Aeolisaccus kotori Decastronema n. gen. carbonate platforms cyanobacteria diagenesis microbial fossil Cretaceous. |
| title | Decastronema kotori gen. nov., comb. nov.: a mat-forming cyanobacterium on Cretaceous carbonate platforms and its modern counterparts |
| title_full | Decastronema kotori gen. nov., comb. nov.: a mat-forming cyanobacterium on Cretaceous carbonate platforms and its modern counterparts |
| title_fullStr | Decastronema kotori gen. nov., comb. nov.: a mat-forming cyanobacterium on Cretaceous carbonate platforms and its modern counterparts |
| title_full_unstemmed | Decastronema kotori gen. nov., comb. nov.: a mat-forming cyanobacterium on Cretaceous carbonate platforms and its modern counterparts |
| title_short | Decastronema kotori gen. nov., comb. nov.: a mat-forming cyanobacterium on Cretaceous carbonate platforms and its modern counterparts |
| title_sort | decastronema kotori gen nov comb nov a mat forming cyanobacterium on cretaceous carbonate platforms and its modern counterparts |
| topic | Aeolisaccus kotori Decastronema n. gen. carbonate platforms cyanobacteria diagenesis microbial fossil Cretaceous. |
| url | http://paleopolis.rediris.es/cg/CG2006_A02/index.html |
| work_keys_str_mv | AT golubicstjepko decastronemakotorigennovcombnovamatformingcyanobacteriumoncretaceouscarbonateplatformsanditsmoderncounterparts AT radoicicrajka decastronemakotorigennovcombnovamatformingcyanobacteriumoncretaceouscarbonateplatformsanditsmoderncounterparts AT seongjoolee decastronemakotorigennovcombnovamatformingcyanobacteriumoncretaceouscarbonateplatformsanditsmoderncounterparts |