Plagiochasma (echinoderm)
Plagiochasma | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Subphylum: | Echinozoa |
Class: | Echinoidea |
Infraclass: | Irregularia |
Family: | Pygaulidae |
Genus: | Plagiochasma Pomel, 1883 |
Species | |
See text |
Plagiochasma is an extinct echinoderm genus in the family Pygaulidae.[1]
Species includes:
- Plagiochasma olfersii (L. Agassiz, 1836); Hauterivian, Early Cretaceous of France and Switzerland
- Plagiochasma faringdonense (Wright, 1875); Lower Greensand, Upper Aptian, Early Cretaceous of UK
- Plagiochasma cruciferum (Morton, 1830); Paleocene of Denmark, Belgium, The Netherlands, Trinidad and the United States.
- Plagiochasma texanum Smith & Rader, 2009; Lower Albian, Texas, USA
See also
References
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