- Schultz, Copenghagen., iv + 288 pp., 22 pls. https://www.marinespecies.org/echinoidea/aphia.php...
- As regards their general anatomy, the "test" of the Echinoidea is composed of numerous calcareous plates,* which are generally firmly united to one another by...
- Class Echinoidea. Echinoids—sea urchins, heart urchins, and sand dollars—are echinoderms without arms and with a spiny shell, or test, formed of tightly...
- Echinoids are marine animals belonging to the phylum Echinodermata and the class Echinoidea. They have a hard shell (referred to as a test)...
- Echinoidea İngilizce anlamı ve tanımı. Echinoidea anlamları. (n. pl.) The class Echinodermata which includes the sea urchins.
- Class Echinoidea, the sea urchins, have a rounded calcareous 'test' made up of five interlocking plates.
- five jaws (Aristotle's lantern). In a more general sense of the term, sea urchin sometimes is used as the common name for all members of Echinoidea.
- This is a synapomorphy for the crown group of the Echinoidea, and is also true for all post-Palaeozoic echinoids, bar one, Tiarechinus.
- Kelime ve terimleri çevir ve farklı aksanlarda sesli dinleme. echinoidea ekinoid echinoidea deniz kestanesi ve yassı su kirpisinin bulunduğu cins ne demek.
- A new species of the genus Leptosalenia Smith & Wright, 1990 (Echinoidea: Saleniidae) from the Albian of Traiguera (Maestrat basin, NE of the Iberian Peninsula).