Spatangoida L. Agassiz 1840

Description: Heterobrissus hystrix Bahamas Islands, West side Little Bahamas Bank. Date: 2009. Source: Photo Library NOAA. Author: Bioluminescence 2009 Expedition, NOAA/OER.

Description: English: A deep-sea spatangoid sea urchin Phrissocystis sp. observed in the abyss by the NOAA Okeanos Explorer mission "2017 American Samoa Expedition: Suesuega o le Moana o Amerika Samoa". Date: 18 March 2017. Source: http://echinoblog.blogspot.fr/2017/03/okeanos-tropical-pacific-highlights.html. Author: NOAA Okeanos Explorer.

Description: English: Brissus obesus Verrill, 1867. Specimen type Syntype Brissus obesus (YPM IZ 000249.EC). Digital Image: Yale Peabody Museum of Natural History; photo by Eric A. Lazo-Wasem 2007 Locality: Pacific Ocean; Gulf of California. Source: https://www.gbif.org/occurrence/1039247987. Author: Creator Eric A. Lazo-Wasem Gall L (2018). Invertebrate Zoology Division, Yale Peabody Museum. Yale University Peabody Museum. Occurrence dataset https://doi.org/10.15468/0lkr3w accessed via GBIF.org on 2018-12-28. https://www.gbif.org/occurrence/1039247987.

Description: English: Palhemiaster comanchei fossil on display at the San Diego County Fair, California, USA. Date: 16 June 2010. Source: Own work. Author: Stickpen. Permission(Reusing this file): public domain.

Description: Español: Plagiobrissus grandis (Gmelin, 1788). Date: 1903. Source: Encyclopedia of Life (EOL) Plagiobrissus grandis Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections Plagiobrissus grandis. Author: Augusta Foote Arnold (1844–1903) . Description: American naturalist. Date of birth/death: 1844: 1903. Authority control: : Q20965544 VIAF: 21706852 ISNI: 0000 0000 4308 257X LCCN: no91015561 WorldCat.