Preserved appendages in a Silurian binodicope: implications for the evolutionary history of ostracod crustaceans
Ostracod crustaceans originated at least 500 Ma ago. Their tiny bivalved shells represent the most species-abundant fossil arthropods, and ostracods are omnipresent in a wide array of freshwater and marine environments today and in the past. Derima paparme gen. et sp. nov. from the Herefordshire Sil...
| Main Authors: | , , |
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| Format: | Journal article |
| Language: | English |
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The Royal Society
2024
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| _version_ | 1817930892462522368 |
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| author | Siveter, DJ Briggs, DEG Siveter, DJ Sutton, MD |
| author_facet | Siveter, DJ Briggs, DEG Siveter, DJ Sutton, MD |
| author_sort | Siveter, DJ |
| collection | OXFORD |
| description | Ostracod crustaceans originated at least 500 Ma ago. Their tiny bivalved shells represent the most species-abundant fossil arthropods, and ostracods are omnipresent in a wide array of freshwater and marine environments today and in the past. Derima paparme gen. et sp. nov. from the Herefordshire Silurian Lagerstätte (~430 Ma) in the Welsh Borderland, UK, is one of only a handful of exceptionally preserved ostracods (with soft parts as well as the shell) known from the Palaeozoic. A male specimen provides the first evidence of the appendages of Binodicopina, a major group of Palaeozoic ostracods comprising some 135 Ordovician to Permian genera. The appendage morphology of D. paparme, but not its shell, indicates that binodicopes belong to Podocopa. The discovery that the soft-part morphology of binodicopes allies them with podocopes affirms that using the shell alone is an unreliable basis for classifying certain fossil ostracods, and knowledge of soft-part morphology is critical for the task. Current assignment of many fossil ostracods to higher taxa, and therefore the evolutionary history of the group, may require reconsideration. |
| first_indexed | 2024-09-25T04:16:28Z |
| format | Journal article |
| id | oxford-uuid:0edae9ef-ae58-41dc-a8d0-c2108b5f20bb |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-12-09T03:13:21Z |
| publishDate | 2024 |
| publisher | The Royal Society |
| record_format | dspace |
| spelling | oxford-uuid:0edae9ef-ae58-41dc-a8d0-c2108b5f20bb2024-10-16T09:15:41ZPreserved appendages in a Silurian binodicope: implications for the evolutionary history of ostracod crustaceansJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:0edae9ef-ae58-41dc-a8d0-c2108b5f20bbEnglishJisc Publications RouterThe Royal Society2024Siveter, DJBriggs, DEGSiveter, DJSutton, MDOstracod crustaceans originated at least 500 Ma ago. Their tiny bivalved shells represent the most species-abundant fossil arthropods, and ostracods are omnipresent in a wide array of freshwater and marine environments today and in the past. Derima paparme gen. et sp. nov. from the Herefordshire Silurian Lagerstätte (~430 Ma) in the Welsh Borderland, UK, is one of only a handful of exceptionally preserved ostracods (with soft parts as well as the shell) known from the Palaeozoic. A male specimen provides the first evidence of the appendages of Binodicopina, a major group of Palaeozoic ostracods comprising some 135 Ordovician to Permian genera. The appendage morphology of D. paparme, but not its shell, indicates that binodicopes belong to Podocopa. The discovery that the soft-part morphology of binodicopes allies them with podocopes affirms that using the shell alone is an unreliable basis for classifying certain fossil ostracods, and knowledge of soft-part morphology is critical for the task. Current assignment of many fossil ostracods to higher taxa, and therefore the evolutionary history of the group, may require reconsideration. |
| spellingShingle | Siveter, DJ Briggs, DEG Siveter, DJ Sutton, MD Preserved appendages in a Silurian binodicope: implications for the evolutionary history of ostracod crustaceans |
| title | Preserved appendages in a Silurian binodicope: implications for the evolutionary history of ostracod crustaceans |
| title_full | Preserved appendages in a Silurian binodicope: implications for the evolutionary history of ostracod crustaceans |
| title_fullStr | Preserved appendages in a Silurian binodicope: implications for the evolutionary history of ostracod crustaceans |
| title_full_unstemmed | Preserved appendages in a Silurian binodicope: implications for the evolutionary history of ostracod crustaceans |
| title_short | Preserved appendages in a Silurian binodicope: implications for the evolutionary history of ostracod crustaceans |
| title_sort | preserved appendages in a silurian binodicope implications for the evolutionary history of ostracod crustaceans |
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