Plagiochasma (echinoderm)

Updated on Nov 21, 2023

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Kingdom Animalia Class Echinoidea Family Pygaulidae Rank Genus		Subphylum Echinozoa Infraclass Irregularia Phylum Echinodermata

Plagiochasma is an extinct echinoderm genus in the family Pygaulidae.

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

References

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