Biology:Plesiocidaris
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Short description: Extinct genus of sea urchins
| Plesiocidaris Temporal range: Late Jurassic
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| Order: | Hemicidaroida
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| Genus: | Plesiocidaris
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| Species: | P. durandi
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| Plesiocidaris durandi | |
Plesiocidaris durandi is an extinct species of sea urchins.[1] Including its spines, the creature was 13 cm (5 in) wide. Its remains have been found in Drâ el-Ahmar, near the Atlas Mountains in Oran, Algeria. A Commander Durand found the fossils there in 1870 and sent them to France paleontologists. The exact location of the find was not noted and has not been rediscovered since. The species name, durandi, refers to Commander Durand. Most Plesiocidaris fossils still have the spines attached, indicating they lived in calm water; the spines of dead sea urchins are easily detached by wave currents.
References
- ↑ Tawadros, E. (2012). Geology of North Africa. E.. Tawadros. Leiden, The Netherlands: CRC Press/Balkema. pp. 558. ISBN 978-0-203-13061-2. OCLC 774956305. https://www.worldcat.org/oclc/774956305.
Wikidata ☰ Q7204645 entry
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