Plagiochasma_(echinoderm)

<i>Plagiochasma</i> (echinoderm)

Plagiochasma (echinoderm)

Extinct genus of sea urchins

Plagiochasma is an extinct echinoderm genus in the family Pygaulidae.[1]

Quick Facts Plagiochasma, Scientific classification ...

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

References

  1. [1]
    Plagiochasma on the Natural History Museum website


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