Which genus includes more species, Echinops or Rhoicissus?
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Echinops Echinops is a genus of about 120 species of flowering plants in the family Asteraceae, commonly known as globe thistles. They have spiny foliage and produce blue or white spherical flower heads. They are native to Europe east to central Asia and south to the mountains of tropical Africa.
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Rhoicissus Rhoicissus is an Afrotropical plant genus in the grape family Vitaceae and Vitoideae subfamily. There are between 9 and 22 accepted species.
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Rhodeus Rhodeus is a genus of cyprinid fish, consisting of 22 species called bitterlings. The scientific name is derived from the Greek word "rhodeos", meaning "rose". Most species in the genus are restricted to Asia, but two species are found in Europe ("R. amarus" and "R. meridionalis").
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Echinidae Echinidae is a family of sea urchins in the order Echinoida. Members of the family are found in the Atlantic Ocean and the Antarctic.
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Echinomastus erectocentrus Echinomastus erectocentrus is a species of cactus known by the common names redspine fishhook cactus, redspine butterfly cactus, acuña cactus, needle-spine pineapple cactus, red pineapple cactus, and purple-spine viznagita. It is native to Arizona and New Mexico in the United States and Sonora in Mexico.
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Cathorops Cathorops is a genus of fish in the family Ariidae found in Atlantic and Pacific Ocean. These species are found in the eastern and western Central and South America in brackish and freshwater habitats. This genus is a strongly supported clade of this family. It consists of a natural group in which the monophyly is well-defined by morphological and molecular evidence and the genus probably includes several unrecognized species from both American coasts.
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Tylocidaris Tylocidaris is an extinct genus of echinoids that lived from the Early Cretaceous to the Eocene. Its remains have been found in Europe and North America.
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Rhescyntis Rhescyntis is a genus of moths in the Saturniidae family.
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Rhodoleptus Rhodoleptus is a genus of beetles in the family Cerambycidae, containing the following species:
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Echinodorus Echinodorus (burhead or Amazon sword plant) is a genus of plants in the family Alismataceae and distributed in the Western Hemisphere from the central United States to Argentina. Its scientific name is derived from Ancient Greek "echius" – rough husk, and "doros" – leathern bottle, alluding to ovaries, which in some species are armed with persistent styles, forming prickly head of fruit. Some of the species are commonly cultivated in artificial aquatic habitats.
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Echinoteuthis Echinoteuthis is a genus of whip-lash squid containing approximately three to five species. Some teuthologists consider "Idioteuthis" synonymous with this taxon.
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Dolichopterus Dolichopterus is a genus of the prehistoric sea scorpions, arthropods in the order Eurypterida.
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Multipseudechniscus raneyi 'Multipseudechiniscus raneyi' is a species of tardigrades. It is the only species of Multipseudechiniscus which belongs to the family Echiniscidae.
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Echinogurges Echinogurges is a genus of sea snails, marine gastropod molluscs in the family Calliotropidae.
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Echinotheridion Echinotheridion is a genus of spiders in the Theridiidae family. It was first described in 1963 by Levi. s of 2017 , it contains 9 species found in South America, with the exception of "E. gibberosum", found on Madeira and the Canary Islands.
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Echinoscelis Echinoscelis is a genus of moth in the family Cosmopterigidae.
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Mopsechiniscus Mopsechiniscus is a genus of water bears which are tardigrades in the family Echiniscidae. Together with "Bryodelphax", it is the fourth oldest in the family Echiniscidae, it was named and described by Eveline du Bois-Reymond Marcus in 1944 and its etymology is Greek.
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Echinozoon Echinozoon is a genus of parasitic alveolates of the phylum Apicomplexia.
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Echinus tylodes Echinus tylodes is a species of sea urchin in the Echinidae family. It is white with rather sparse pink spines, and is endemic to the eastern coast of North America including the Gulf of Mexico.
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Ethiopoeus Ethiopoeus is a monotypic genus of beetles in the family Buprestidae, the jewel beetles. The sole species, Ethiopoeus croesus was moved from genus "Meliboeus" in 2008. This beetle is native to Africa.
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Echinacea (animal) The Echinacea are a superorder of sea urchins. They are distinguished by the presence of a rigid test, with ten buccal plates around the mouth, and solid spines. Unlike some other sea urchins, they also possess gills. The group is a large one, with species found worldwide.
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Rhinecanthus Rhinecanthus is a triggerfish genus from the Indo-Pacific. They are found at reefs, and all except "R. abyssus" are restricted to relatively shallow depths. They are among the smallest members of the family, with no species surpassing 30 cm in length. They are primarily brownish, greyish and white, and have strongly contrasingly patterns in yellow, orange, blue or black. Adults of all have a relatively dark line (in most species intermixed with blue) that extends from the forehead down through the eye to the pectoral fin.