The Diadematidae are a family of sea urchins. Their tests are either rigid or flexible and their spines are long and hollow. Astropyga Gray, 1825 Astropyga...
5 KB (323 words) - 16:20, 26 October 2023
setosum is a species of long-spined sea urchin belonging to the family Diadematidae. It is a typical sea urchin, with extremely long, hollow spines that...
14 KB (1,610 words) - 21:39, 31 March 2024
Echinothrix calamaris (category Diadematidae)
family Diadematidae. The banded sea urchin has a slightly oval test (shell), reaching a diameter of about 5 cm. Like almost all the Diadematidae (but it...
6 KB (654 words) - 22:14, 30 October 2023
species, protect the urchin from predators. Some tropical sea urchins like Diadematidae, Echinothuriidae and Toxopneustidae have venomous spines. Other creatures...
80 KB (8,034 words) - 14:14, 27 September 2024
the long-spined sea urchin, is a species of sea urchin in the family Diadematidae. This sea urchin is characterized by its exceptionally long black spines...
10 KB (1,161 words) - 14:32, 12 July 2024
Astropyga radiata (category Diadematidae)
urchin or blue-spotted urchin, is a species of sea urchin in the family Diadematidae. It is a large species with long spines and is found in the tropical...
7 KB (695 words) - 08:54, 3 April 2022
Centrostephanus rodgersii (category Diadematidae)
Centrostephanus rodgersii is a species of sea urchin of the family Diadematidae. It is a big, dark-purple sea urchin, with long and slender spines, reflecting...
1 KB (53 words) - 19:09, 17 September 2022
Diadema (sea urchin) (category Diadematidae)
Diadema is a genus of sea urchins of the family Diadematidae. It is one of the most abundant, widespread, and ecologically important shallow water genera...
4 KB (280 words) - 19:08, 20 May 2024
5 in). If the spines enter into count, the biggest species may be a Diadematidae like Diadema setosum, with a test up to 10 cm (3.9 in) only, but its...
168 KB (16,565 words) - 18:54, 23 September 2024
Centrostephanus longispinus (category Diadematidae)
longispinus, the hatpin urchin, is a species of sea urchin in the family Diadematidae. There are two subspecies, Centrostephanus l. longispinus, found in the...
5 KB (594 words) - 19:06, 17 September 2022
mexicanum is a species of long-spined sea urchin belonging to the family Diadematidae. It is native to the Pacific coast of Mexico, Costa Rica, El Salvador...
3 KB (347 words) - 16:19, 1 December 2023
According to ITIS : family Aspidodiadematidae (Duncan, 1889) family Diadematidae (Gray, 1855) family Lissodiadematidae (Mortensen, 1903) family Micropygidae...
2 KB (81 words) - 19:11, 13 October 2023
Echinothrix diadema (category Diadematidae)
(Echinothrix diadema) is a species of tropical sea urchin, member of the Diadematidae family. Echinothrix diadema is a long spined urchin. With its spines...
4 KB (418 words) - 21:01, 4 September 2023
the long-spined sea urchin, is a species of sea urchin in the family Diadematidae. It is found in the western Indo-Pacific Ocean and in Hawaii and other...
4 KB (462 words) - 09:12, 21 January 2022
Astropyga magnifica (category Diadematidae)
Astropyga magnifica is a species of sea urchin of the family Diadematidae. In life, their test is covered with spines. Astropyga magnifica was first scientifically...
1 KB (145 words) - 03:46, 9 June 2024
Diadema (sea urchin), a genus of sea urchin belonging to the family Diadematidae Diadema (fungus), a genus of fungi in the family Diademaceae Damon diadema...
566 bytes (106 words) - 03:27, 11 May 2021
savignyi is a species of long-spined sea urchin belonging to the family Diadematidae. Common names include long-spined sea urchin, black longspine urchin...
6 KB (690 words) - 03:33, 11 May 2021
variolaris burrowing in Réunion island They can be confused with the Diadematidae sea urchins which sho longer and more slender spines, with an anal papilla...
4 KB (271 words) - 04:06, 6 February 2024
with different microstructure, in a similar way to the spines of some Diadematidae (especially Echinothrix) and Toxopneustidae. The secondary spines are...
7 KB (786 words) - 03:46, 4 December 2023
Diadema palmeri is a red sea urchin of the family Diadematidae. It was first discovered by William (Bill) Palmer, at a depth of about 40 m (130 ft) off...
2 KB (133 words) - 03:32, 11 May 2021
Sri Lanka is a tropical island situated close to the southern tip of India. The invertebrate fauna is as large as it is common to other regions of the...
23 KB (2,211 words) - 00:20, 11 December 2023
Diadema savignyi, D. setosum, Echinothrix calamaris and E. diadema (Diadematidae), Heterocentrotus mammillatus (Echinometridae) and Pseudocentrotus depressus...
3 KB (162 words) - 13:19, 18 August 2023
Astropyga (category Diadematidae)
Astropyga is a genus of sea urchins of the family Diadematidae. Their armour is covered with spines. Astropyga was first scientifically described in 1855...
2 KB (47 words) - 02:29, 31 May 2024
Centrostephanus coronatus (category Diadematidae)
known as crowned sea urchin, is a species of sea urchin in the family Diadematidae. It was first described to science by Yale zoology Professor Addison...
5 KB (521 words) - 17:51, 20 January 2024
Centrostephanus besnardi (category Diadematidae)
Centrostephanus besnardi is a species of sea urchins of the family Diadematidae. Their armour is covered with spines. Centrostephanus besnardi was first...
869 bytes (54 words) - 19:04, 17 September 2022
Astropyga nuptialis (category Diadematidae)
Astropyga nuptialis is a species of sea urchins of the family Diadematidae. Their armour is covered with spines. Astropyga nuptialis was first scientifically...
797 bytes (54 words) - 04:12, 11 March 2021
Chaetodiadema (category Diadematidae)
Chaetodiadema is a genus of sea urchins of the Family Diadematidae. Their armour is covered with spines. Following World Register of Marine Species: Chaetodiadema...
2 KB (111 words) - 13:02, 23 November 2022
Astropyga pulvinata (category Diadematidae)
Astropyga pulvinata is a species of sea urchins of the family Diadematidae. Their armour is covered with spines. Astropyga pulvinata was first scientifically...
909 bytes (60 words) - 04:12, 11 March 2021
Chaetodiadema granulatum (category Diadematidae)
Chaetodiadema granulatum is a species of sea urchins of the Family Diadematidae. Their armour is covered with long and slender spines, and the test is...
1 KB (72 words) - 16:51, 26 August 2021
Centrostephanus (category Diadematidae)
Centrostephanus is a genus of echinoderms belonging to the family Diadematidae. The genus has almost cosmopolitan distribution. Species: † Centrostephanus...
2 KB (32 words) - 10:53, 27 January 2024