Holasteroida is an order of irregular sea urchins. These irregular sea urchins are characterized by a particularly marked bilateral symmetry, including...
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Clypeasteroida (sand dollars) Order Holectypoida Superorder Atelostomata Order Holasteroida Order Spatangoida (heart urchins) Aspidodiadema hawaiiense, an Aspidodiadematoida...
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Collyritidae d'Orbigny, 1853 † fossil family Disasteridae Gras, 1848 † order Holasteroida order Spatangoida fossil family Tithoniidae Mintz, 1968 † fossil genus...
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Clypeus plotti, Irregularia, Middle Jurassic, c. 162 mya Echinocorys, Holasteroida, Upper Cretaceous, c. 80 mya Echinolampas ovalis, Cassiduloida, Middle...
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Echinocorys (category Holasteroida)
meudonensis MHNT Scientific classification Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Holasteridae Genus: Echinocorys...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Urechinidae Genus: Antrechinus Species: A. mortenseni Binomial...
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Collyritidae d'Orbigny, 1853 Family † Disasteridae Gras, 1848 order Holasteroida (Durham & Melville, 1957) order Spatangoida (L. Agassiz, 1840) Family...
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Pourtalesiidae (category Holasteroida)
secondarily bilateral-symmetrical and like other representatives of the taxon Holasteroida they lack the lantern of Aristotle, which is typical for many other sea...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Urechinidae Genus: Antrechinus Species: A. nordenskjoldi Binomial...
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Echinothurioida Infraclass Irregularia Superorder Atelostomata Order Holasteroida Order Spatangoida Order Echinoneoida Order Holectypoida† Superorder Neognathostomata...
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Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Urechinidae Genus: Antrechinus Species: A. drygalskii Binomial...
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Hemipneustes (category Holasteroida)
classification Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Holasteridae Genus: Hemipneustes L. Agassiz, 1836...
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Hemipneustidae (category Holasteroida)
Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: †Hemipneustidae Lambert, 1917...
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Domain: Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Urechinidae Genus: Antrechinus Mooi & David, 1996...
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Calymne relicta (category Holasteroida)
classification Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Calymnidae Genus: Calymne Species: C. relicta Binomial name Calymne...
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Carnarechinus (category Holasteroida)
Carnarechinus clypeatus is a species of sea urchins of the Holasteroida order. This species was described on the basis of fragmentary and poorly preserved...
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Calymnidae (category Holasteroida)
Calymnidae is a family of echinoderms belonging to the order Holasteroida. Genera: Calymne Thomson, 1877 Chelonechinus Bather, 1934 Pseudoffaster Lambert...
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Corystusidae (category Holasteroida)
Corystusidae is a family of echinoderms belonging to the order Holasteroida. Genera: Cardabia Foster & Philip, 1978 Corystus Pomel, 1883 Galeraster Huttonechinus...
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Pourtalesia miranda (category Holasteroida)
Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Pourtalesiidae Genus: Pourtalesia Species: P. miranda Binomial...
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Holasteridae (category Holasteroida)
Domain: Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Suborder: Meridosternata Family: †Holasteridae Pictet, 1857...
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Plexechinus (category Holasteroida)
Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Plexechinidae Mooi & David, 1996 Genus: Plexechinus Agassiz,...
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Toxopatagus (category Holasteroida)
Domain: Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: †Hemipneustidae Genus: †Toxopatagus Pomel 1883...
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Pourtalesia (category Holasteroida)
Domain: Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Pourtalesiidae Genus: Pourtalesia A. Agassiz, 1869...
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Clypeasteroida Order Diadematoida Order Echinoida Order Echinothuroida Order Holasteroida Order Holectypoida Order Pedinoida Order Phymosomatoida Order Salenoida...
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Ceratophysa rosea (category Holasteroida)
Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Pourtalesiidae Genus: Ceratophysa Species: C. rosea Binomial...
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Ceratophysa ceratopyga (category Holasteroida)
Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Holasteroida Family: Pourtalesiidae Genus: Ceratophysa Species: C. ceratopyga Binomial...
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Late Cretaceous (Coniacian) Spain A sea urchin belonging to the group Holasteroida and the family Stegasteridae. The type species is N. singularis. Nymphaster...
321 KB (27,999 words) - 04:22, 8 July 2024
Urechinidae (category Holasteroida)
Urechinidae is a family of echinoderms belonging to the order Holasteroida. Genera: Antrechinus Mooi & David, 1996 Cystechinus A.Agassiz, 1879 Pilematechinus...
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