The heart urchins or Spatangoida are an order of sea urchins. Their body is a somewhat elongated oval in form, and is distinguished by the mouth being...
4 KB (299 words) - 02:14, 4 December 2023
Order Holectypoida Superorder Atelostomata Order Holasteroida Order Spatangoida (heart urchins) Aspidodiadema hawaiiense, an Aspidodiadematoida Diadema...
10 KB (470 words) - 21:27, 18 May 2024
Subclass Euechinoidea Superorder Atelostomata Order Cassiduloida Order Spatangoida (heart urchins) Superorder Diadematacea Order Diadematoida Order Echinothurioida...
80 KB (8,034 words) - 17:20, 16 September 2024
Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Spatangoida Family: Brissidae Genus: Anametalia Species: A. grandis Binomial name...
1,003 bytes (70 words) - 23:56, 14 October 2023
Giorgio (ed.). "A 104-Ma record of deep-sea Atelostomata (Holasterioda, Spatangoida, irregular echinoids) – a story of persistence, food availability and...
200 KB (21,690 words) - 21:06, 14 September 2024
Paleopneustina (category Spatangoida)
Paleopneustina is a suborder of sea urchins of the order Spatangoida. Its taxonomy is still under investigation. The following subdivisions are accepted...
2 KB (190 words) - 21:54, 26 December 2023
Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Spatangoida Family: Brissidae Genus: Brissus Species: B. unicolor Binomial name Brissus...
2 KB (187 words) - 03:07, 22 December 2022
Echinocardium cordatum (category Spatangoida)
Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Spatangoida Family: Loveniidae Genus: Echinocardium Species: E. cordatum Binomial...
12 KB (1,182 words) - 00:07, 11 May 2024
Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Spatangoida Family: Brissidae Genus: Brissus Species: B. meridionalis Binomial name...
946 bytes (57 words) - 19:42, 3 December 2023
There are 75 species of echinoderm (phylum Echinodermata) recorded in Ireland. Asterias rubens (common sea star) Leptasterias muelleri (northern sea star)...
7 KB (296 words) - 16:31, 18 March 2023