Hemipneustidae Explained

Hemipneustidae is an extinct family of sea urchins.^{[1] [2]}

Genera

• Hemipneustes L. Agassiz, 1835 †
• Medjesia Jeffery, 1997 †
• Opisopneustes Gauthier, 1889 †
• Plesiohemipneustes Smith & Wright, 2003 †
• Toxopatagus Pomel, 1883 †

Notes and References

1. https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=168501 Paleobiology Database
2. http://www.marinespecies.org/aphia.php?p=taxdetails&id=510762 WoRMS