Definition of Echinoids. Meaning of Echinoids. Synonyms of Echinoids

Here you will find one or more explanations in English for the word Echinoids. Also in the bottom left of the page several parts of wikipedia pages related to the word Echinoids and, of course, Echinoids synonyms and on the right images related to the word Echinoids.

Definition of Echinoids

Echinoid
Echinoid E*chi"noid, a. [Echinus + -oid.] (Zo["o]l.) Of or pertaining to the Echinoidea. -- n. One of the Echinoidea.

Meaning of Echinoids from wikipedia

- the Ordovician and Silurian periods of Estonia are famous for echinoids. Paleozoic echinoids probably inhabited relatively quiet waters. Because of their...
- spines. Later echinoids had more robust tests and fossilised well, usually with the spines detached from the test. Fossils of echinoids are common in...
- The Gnathostomata are a superorder of sea urchins, including the familiar sand dollars. Gnathostomatans are irregular in shape, but unlike other irregular...
- prehistoric echinoids is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be echinoids, excluding...
- Melonites is an extinct genus of sea urchin from the family Palaechinidae. Species belonging to this genus lived during the late Mississippian (Meramecian)...
- coins lost by mermaids. Sand dollars diverged from the other irregular echinoids, namely the c****iduloids, during the early Jur****ic, with the first true...
- Irregularia is an extant infraclass of sea urchins that first appeared in the Lower Jur****ic. These particular sea urchins are distinguished from other...
- The Peedee Formation is a geologic formation in North and South Carolina. A marine deposit, named for exposures along the Great Peedee River, it preserves...
- in Australia and Antarctica, and until the Early Miocene in Zealandia. Echinoids do not suffer major predation (save for general infaunalisation) during...
- urchin lost its spines: Hydrodynamic forces and survivorship in three echinoids". The Journal of Experimental Biology. 199 (Pt 3): 717–29. doi:10.1242/jeb...