From Spatangus + -oida. <span class="searchmatch">Spatangoida</span> A taxonomic order within the class Echinoidea – the heart urchins. (order): Eukaryota – superkingdom; Animalia –...
family within the order <span class="searchmatch">Spatangoida</span> – certain heart urchins. (family): Stereopneustes (genus) †Holaster (extinct genus) <span class="searchmatch">Spatangoida</span> on Wikipedia.Wikipedia...
within the order <span class="searchmatch">Spatangoida</span> – some of the heart urchins. (suborder): Brissidae, Brissopsidae, Loveniidae, Spatangidae (families) <span class="searchmatch">Spatangoida</span> on Wikipedia...
Spatangus + -idae. Spatangidae A taxonomic family within the order <span class="searchmatch">Spatangoida</span> – some heart urchins. (family): Maretia, Nacospatangus, Paramaretia, Spatangus...
on: Micraster Wikipedia Micraster A taxonomic genus within the order <span class="searchmatch">Spatangoida</span> – certain extinct echinoids from the Late Cretaceous to the early Eocene...
Instability in the Late Cretaceous Echinoid Micraster brevis (Irregularia; <span class="searchmatch">Spatangoida</span>)”, in PLOS ONE[1], →DOI: The landmark configuration included the shape...
Instability in the Late Cretaceous Echinoid Micraster brevis (Irregularia; <span class="searchmatch">Spatangoida</span>)”, in PLOS ONE[1], →DOI: In both populations, specimens having a parafasciole...
Wikipedia heart urchin (plural heart urchins) Any echinoderm of the class <span class="searchmatch">Spatangoida</span>. 1996, Marty Snyderman, chapter I, in Guide to Marine Life: Caribbean...
spatangoid (plural spatangoids) (zoology) Any echinoderm of the order <span class="searchmatch">Spatangoida</span>, of heart urchins. 1983, Ulrich Lehmann, Fossil Invertebrates, page 292:...