Biology:Plagiochasma (echinoderm)
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Short description: Extinct genus of sea urchins
| Plagiochasma | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia
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| Phylum: | |
| Class: | Echinoidea
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| Infraclass: | |
| Family: | Pygaulidae
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| Genus: | Plagiochasma Pomel, 1883
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| Species | |
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See text | |
Plagiochasma is an extinct echinoderm genus in the family Pygaulidae.[1]
Species includes:
- Plagiochasma cruciferum (Morton, 1830); Paleocene of Denmark, Belgium, The Netherlands, Trinidad and the United States
- Plagiochasma faringdonense (Wright, 1875); Lower Greensand, Upper Aptian, Early Cretaceous of UK
- Plagiochasma olfersii (L. Agassiz, 1836); Hauterivian, Early Cretaceous of France and Switzerland
- Plagiochasma saurai Forner i Valls, 2016; Barremian, Early Cretaceous of Spain
- Plagiochasma texanum Smith & Rader, 2009; Lower Albian, Texas, USA
See also
- List of prehistoric echinoderms
- List of prehistoric echinoids
References
Wikidata ☰ Q7200488 entry
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