Atelostomata
Sign in to saveThe Atelostomata are a type of sea urchins. They are distinguished from other sea urchins by their irregular shape and the absence of a feeding lantern. The group includes the well known heart urchins, as well as some less familiar and extinct forms.
Species
Subterclass
- PhylumEchinodermata
- ClassEchinoidea
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The Atelostomata are a type of sea urchins. They are distinguished from other sea urchins by their irregular shape and the absence of a feeding lantern. The group includes the well known heart urchins, as well as some less familiar and extinct forms.
== List of orders == Family † Acrolusiidae Mintz, 1968 Family † Collyritidae d'Orbigny, 1853 Family † Disasteridae Gras, 1848 order Holasteroida (Durham & Melville, 1957) order Spatangoida (L. Agassiz, 1840) Family † Tithoniidae Mintz, 1968
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