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  • Spatangoida - Wikipedia
    The heart urchins are members of the order Spatangoida of sea urchins Their body are somewhat elongated ovals in form, and are distinguished by the mouth being placed towards one end of the animal, and the anus towards the other
  • World Echinoidea Database - Spatangoida
    Kroh, A ; Mooi, R (2025) World Echinoidea Database Spatangoida Accessed at: https: www marinespecies org echinoidea aphia php?p=taxdetails id=123106 on 2026-03-21 original description (of Spatangidea) Claus, C (1876) Grundzüge der Zoologie (Third edition) [Principles of Zoology]
  • Spatangoida
    Their body is a somewhat elongated oval in form, and is distinguished by the mouth being placed towards one end of the animal, and the anus towards the other As a result, heart urchins, unlike most other sea urchins, are bilaterally symmetrical, and have a distinct anterior surface
  • Frontiers | New insights on the systematics of echinoids belonging to . . .
    Spatangoids are probably the least resolved group within echinoids, with known topological incongruencies between phylogenies derived from molecular (very scarce) and morphological data
  • Biology:Spatangoida - HandWiki
    superfamily Spatangoidea Fischer, 1966 family Eupatagidae Lambert, 1905 family Eurypatagidae Kroh, 2007 family Loveniidae Lambert, 1905 family Macropneustidae Lambert, 1905 family Maretiidae Lambert, 1905 family Megapneustidae Fourtau, 1905 † family Spatangidae Gray, 1825
  • Superfamily Spatangoidea · iNaturalist
    "Establishment means" describes how a species arrived where it currently occurs Introduced means it arrived because of human activity, while native means it arrived without human assistance Endemic species only occur in a specific place and nowhere else More
  • Spatangoida - scientificlib. com
    Spatangoida, Online Biology, Biology Encyclopedia, Science Their body is a somewhat elongated oval in form, and is distinguished by the mouth being placed towards one end of the animal, and the anus towards the other As a result, heart urchins, unlike most other sea urchins, are bilaterally symmetrical, and have a distinct anterior surface The presence and position of the mouth and anus
  • Phylogeny and biogeography of some Cretaceous spatangoid . . . - BioOne
    Among the irregular echinoids, the most diverse and abundant are the heart urchins of the order Spatangoida, which inhabit all oceans and a wide array of habitats (Stockley et al , 2005)
  • Spatangidae - Wikipedia
    The Spatangidae are a family of heart urchins There are three recognised genera within the family; Granopatagus, Plethotaenia, and Spatangus [1] Additionally, Prospatangus was previously a recognised genus within the Spatangidae, but is now accepted as part of the genus Spatangus [1]
  • Spatangoidea - Wikispecies
    Wikispecies needs translators to make it more accessible More info on this page





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