nhm_fossil_lithistids
This dataset presents the NHM Fossil Lithistida Collection in the Natural History Museum, London. This collection started to be built with the first fossil sponges from the Cretaceous of Wiltshire, collected by William Smith in 1816 and 1818 for the first geological map of England. The latest specimen to enter in the collection was collected from the Permo-Carboniferous of Norway by Angela Milner, a researcher at the Museum. Although they are mostly from the Cretaceous of England, lithistids are represented from the Cambrian to Cenozoic of England. This makes this collection key for studying this group.
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關鍵字
Checklist Fossil Lithistida Collection Stratigraphic range Geographic range Taxonomic identification Natural History Museum Specimen donor Publication Type status; Inventorythematic
聯絡資訊
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地理涵蓋範圍
Most of the Collection comes from the UK (61%), mainly from England. Regarding continents most come from Europe and North America.
| 界定座標範圍 | 緯度南界 經度西界 [-90, -180], 緯度北界 經度東界 [90, 180] |
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分類群涵蓋範圍
This collection includes 406 taxa, of which there are 338 species and 15 varieties that are distributed mainly between tetralithistids, monalithistids, megalithistids, orchocladinids and spirosclerophorids. Tetralithistids are the most common, 44% of the collection, with representation in Central Europe, Ukraine, India, Republic of Trinidad and Tobago, and mainly in UK-England. The next most common are the monalithistids (32%) with representation in Central Europe and UK-England as well. In lesser proportion megalithistids (12%) represented in Central Europe, Libya, UK-England and USA. Orchocladids (8%) have been collected in Europe, UK and USA. Finally, the spirosclerophorids (1%) have been found in Europe and UK-Wales. 4% of the collection has not been possible to include in an order.
| Phylum | Porifera (sponges) |
|---|---|
| Subclass | Lithistida (lithistids) |
| Order | Tetralithistida (tetralithistids), Monalithistida (monalithistids), Megalithistida (megalithistids), Orchocladina (orchocladinids), Spirosclerophorida (spirosclerophorids) |
時間涵蓋範圍
| 起始日期 / 結束日期 | 1816-01-01 / 2000-08-02 |
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計畫資料
Digitise and curate more than 5000 specimens, making the Lithistida Collection ready for research projects.
| 計畫名稱 | Digitisation of the Lithistida Collection |
|---|---|
| 辨識碼 | NHM Department Investment Funds bid number 490 |
| 經費來源 | NHM Department Investment Funds |
| 研究區域描述 | Fossil lithistids (sponges) |
參與計畫的人員:
取樣方法
Locating and organising specimens in the Porifera Collection
| 研究範圍 | NHM Fossil Lithistida Collection |
|---|---|
| 品質控管 | Quality control and assurance procedures were implemented at all project stages to avoid errors and repeating them. |
方法步驟描述:
- Digitisation of the collection data Reorganisation of the specimens Curation: changing the specimen trays by acid free one and use of plastazote Data cleansing: standardize data