• *Echinoidea (*sea urchins*, *sand-dollars*, *heart urchins*; phylum Echinodermata [1], subphylum Echinozoa [2])* A class of free-living echinoderms in which the...
  • Detailed explanation-1: -Echinoids are marine animals belonging to the phylum Echinodermata and the class Echinoidea.
  • "Echinoidea" (On-line), Animal Diversity Web. Accessed July 01, 2024 at https://animaldiversity.org/accounts/Echinoidea/.
  • Echinodermata (echinoderms), class: Echinoidea (sea urchins, heart urchins & sand dollars). Collection Highlights | Updated 1 decade ago.
  • The classification used in the WoRMS and the World Echinoidea Database is that of Kroh & Smith (2010).
  • Vikipedi, özgür ansiklopedi. Echinoidea. Korunma durumu. Değerlendirilmedi (IUCN 3.1). ... Echinoidea, Echinozoa altşubesine bağlı bir hayvan sınıfıdır.[1].
  • Echinoidea comes from the Greek word ‘echinos’ meaning “spiny” and includes the sea urchins, sand dollars, and heart urchins.
  • Introduction to the Echinoidea. Left: A long-spined sea urchins on a coral reef at Contadora Island, off the Pacific Coast of Panama.
  • Sea urchins or urchins (/ˈɜːrtʃɪnz/) are typically spiny, globular animals, echinoderms in the class Echinoidea. ... Echinoidea.