Paleopneustina

Paleopneustina is a suborder of sea urchins of the order Spatangoida. Its taxonomy is still under investigation.^[1]

Paleopneustina
Brachysternaster chesheri
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Spatangoida
Suborder:	Paleopneustina Markov & Solovjev, 2001

The following subdivisions are accepted within Paleopneustina:^[1]

• Superfamily Paleopneustoidea A. Agassiz, 1904^[2]
  • Family Paleopneustidae A. Agassiz, 1904
  • Family Pericosmidae Lambert, 1905
• Family †Periasteridae Lambert, 1920
• Family Prenasteridae Lambert, 1905
• Family Schizasteridae Lambert, 1905

Several other genera have been placed in temporary unnamed families:

• Family †Paleopneustina incertae sedis [fossil]^[3]
  • †Kertaster Bajarunas in Zittel, 1934

• Family Paleopneustina incertae sedis A^[4]
  • †Eopericosmus Markov & Solovjev, 2001
  • †Hemigymnia Arnaud, 1898
  • Schizocosmus Markov, 1990

• Family Paleopneustina incertae sedis B (temporary name)^[5]
  • Amphipneustes Koehler, 1900
  • Brachysternaster Larrain, 1985
  • †Brissolampas Pomel, 1883
  • Genicopatagus A. Agassiz, 1879
  • Heterobrissus Manzoni & Mazzetti, 1878
  • †Megapetalus H.L. Clark, 1929
  • Parapneustes Koehler, 1912
  • †Pygospatangus Cotteau, 1888

References

1. "Paleopneustina". WoRMS. World Register of Marine Species. Retrieved 23 December 2023.
2. "Paleopneustoidea: A. Agassiz, 1904". WoRMS. World Register of Marine Species. Retrieved 23 December 2023.
3. "Paleopneustina incertae sedis [fossil]". WoRMS. World Register of Marine Species. Retrieved 23 December 2023.
4. "Paleopneustina incertae sedis A". WoRMS. World Register of Marine Species. Retrieved 23 December 2023.
5. "Paleopneustina incertae sedis B". WoRMS. World Register of Marine Species. Retrieved 23 December 2023.