| Echinarachnius | |
|---|---|
 | |
| Echnarachnius parma | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Superorder: | Gnathostomata |
| Order: | Clypeasteroida |
| Family: | Echinarachniidae |
| Genus: | Echinarachnius Gray, 1825 |
| Synonyms | |
| |
Echinarachnius is a genus of sand dollars, belonging to the family Echinarachniidae . [1]
Species of Echinarachnius have been around since the Pliocene epoch.
Sand dollars are species of flat, burrowing sea urchins belonging to the order Clypeasteroida. Some species within the order, not quite as flat, are known as sea biscuits. Sand dollars can also be called "sand cakes" or "cake urchins".
Dioscoreaceae is a family of monocotyledonous flowering plants, with about 715 known species in nine genera. The best-known member of the family is the yam.
Louis Pierre Vieillot was a French ornithologist.
René Primevère Lesson was a French surgeon, naturalist, ornithologist, and herpetologist.
Pallenis is a small genus of flowering plants in the tribe Inuleae within the family Asteraceae. The name is derived from palea (chaff), referring to the chaffy receptacle.
Joseph Marie Henry Alfred Perrier de la Bâthie was a French botanist who specialized in the plants of Madagascar.
Carl Sigismund Kunth was a German botanist. He was also known as Karl Sigismund Kunth or anglicized as Charles Sigismund Kunth. He was one of the early systematic botanists who focused on studying the plants of the Americas. Kunth's notable contributions include the publication of Nova genera et species plantarum quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt Bonpland et Humboldt. This work spanned seven volumes and was published between 1815 and 1825.
Pteropoda are specialized free-swimming pelagic sea snails and sea slugs, marine opisthobranch gastropods. Most live in the top 10 m of the ocean and are less than 1 cm long. The monophyly of Pteropoda is the subject of a lengthy debate; they have even been considered as paraphyletic with respect to cephalopods. Current consensus, guided by molecular studies, leans towards interpreting the group as monophyletic.
Charles Oberthür was a French amateur entomologist specializing in lepidoptera.
Pierre François Marie Auguste Dejean, was a French soldier and entomologist. Dejean described a large number of beetles in a series of catalogues.
John Eatton Le Conte Jr. was an American naturalist. He was born near Shrewsbury, New Jersey, the son of John Eatton Le Conte and Jane Sloane Le Conte. He graduated from Columbia College, where he showed an interest in science and was taught natural history by David Hosack, founder of Elgin Botanical Garden.
Count Carl Gustaf Mannerheim was a Finnish entomologist and governor of the Viipuri province in the Grand Duchy of Finland.
Rhinophorinae is a subfamily of flies (Diptera), commonly known as Woodlouse Flies, found in all zoogeographic regions except Oceania, but mainly in the Palaearctic and Afrotropical regions.
Karl Theodor Menke was a German malacologist and balneologist who was a native of Bremen. He is remembered for his research on snails.
Ficus is a genus of large sea snails, marine gastropod mollusks in the family Ficidae, the fig shells.
Jean Vincent Félix Lamouroux was a French biologist and naturalist, noted for his seminal work with algae.
Echinocardium cordatum, also known as the common heart urchin or the sea potato, is a sea urchin in the family Loveniidae. It is found in sub-tidal regions in temperate seas throughout the world. It lives buried in the sandy sea floor.
Scutellidae is a family of sand dollars in the superfamily Scutellidea. All genera except Scaphechinus are extinct.
Sander Rang or Paul Charles Leonard Alexander Rang was a French conchologist and interpreter of Arabic texts. He was, in 1816, one of the survivors of the sinking of the frigate Medusa, on which he was an ensign. He spent a good part of his life in La Rochelle, where he published his early zoological observations, in particular in the bulletins of the Society of Natural Sciences of Charente-Maritimes.In 1841 Rang was one of the founding members of the Société des Amis des Arts now the Musée des Beaux-Arts de La Rochelle.He specialised in marine fauna notably in sea hares, cephalopods and other molluscs and on the heterogenous group known as zoophytes. Sander Rang described many new mollusc species including the sea hares Aplysia dactylomela, Dolabrifera dolabrifera, the cuttlefish Sepia hierredda and the land snails Striosubulina striatella, Pleurodonte desidens and Opeas hannense.
Echinarachniidae is a family of echinoderms belonging to the order Clypeasteroida. This clade appeared in the Middle Miocene epoch and is still living today in the North Pacific Ocean ocean to Northeast Canada and Southern United States.
 | This article about a sea urchin is a stub. You can help Wikipedia by expanding it. |