Neognathostomata
suborder of echinoderms
The Neognathostomata are a superorder of sea urchins.
Description and characteristics
They are distinguished from other sea urchins by their irregular shape and a highly modified feeding lantern. The group includes the well known sand dollars, as well as some less familiar and extinct forms.
Taxonomy
family Apatopygidae Kier, 1962
family Archiaciidae Cotteau & Triger, 1869 †
order Cassiduloida
superfamily Cassidulina (Philip, 1963b)
family Cassidulidae (L. Agassiz and Desor, 1847)
superfamily Neolampadina (Philip, 1963b)
family Neolampadidae (Lambert, 1918a)
family Pliolampadidae (Kier, 1962) †
order Clypeasteroida A.Agassiz, 1872 ("sand dollars")
suborder Clypeasterina
family Clypeasteridae L. Agassiz, 1835
family Fossulasteridae Philip & Foster, 1971 †
family Scutellinoididae Irwin, 1995 †
family Conoclypeidae von Zittel, 1879 †
family Faujasiidae Lambert, 1905 †
family Oligopygidae Duncan, 1889 †
family Plesiolampadidae Lambert, 1905 †
suborder Scutellina
infraorder Laganiformes
family Echinocyamidae Lambert & Thiéry, 1914
family Fibulariidae Gray, 1855
family Laganidae Desor, 1858
infraorder Scutelliformes
family Echinarachniidae Lambert in Lambert & Thiéry, 1914
family Eoscutellidae Durham, 1955 †
family Protoscutellidae Durham, 1955 †
family Rotulidae Gray, 1855
superfamily Scutelloidea Gray, 1825
family Abertellidae Durham, 1955 †
family Astriclypeidae Stefanini, 1912
family Dendrasteridae Lambert, 1900
family Mellitidae Stefanini, 1912
family Monophorasteridae Lahille, 1896 †
family Scutasteridae Durham, 1955 †
family Scutellidae Gray, 1825
family Taiwanasteridae Wang, 1984
family Scutellinidae Pomel, 1888a †
family Clypeidae Lambert, 1898 †
family Clypeolampadidae Kier, 1962 †
order Echinolampadoida
family Echinolampadidae Gray, 1851a
family Nucleolitidae L. Agassiz & Desor, 1847 †
family Pygaulidae Lambert, 1905 †
genus Pygolampas Saucède, Dudicourt & Courville, 2012 †
References
Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 981. ISBN 0-03-056747-5.
Kroh A, Mooi R (eds.).
The public source identifies “Neognathostomata” as suborder of echinoderms. This brief keeps that definition visible, then builds a research path around Neognathostomata, suborder and echinoderms.
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