Which of these has the most species: Echinops or Areca?
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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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Areca Areca (.) is a genus of about 50 species of palms in the family Arecaceae, found in humid tropical forests from China and India, across Southeast Asia to Melanesia. The generic name "Areca" is derived from a name used locally on the Malabar Coast of India.
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Echinostomata The Echinostomata are a suborder of the parasitic flatworm order Echinostomida. A highly notable family is the Fasciolidae. These contain several species causing major parasitic diseases in humans.
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FishBase FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web. Over time it has "evolved into a dynamic and versatile ecological tool" that is widely cited in scholarly publications.
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Biodiversity of Colombia Colombia is the country with the second-highest biodiversity in the world, behind Brazil. As of 2016, 56,343 species are registered in Colombia, of which 9153 endemic. The country occupies the first position worldwide in number of orchids and birds, second position in plants, amphibians, butterflies and fresh water fish, third place in species of palm trees and reptiles and globally holds the fourth position in biodiversity of mammals.
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Cycad Cycads are seed plants with a long fossil history that were formerly more abundant and more diverse than they are today. They typically have a stout and woody (ligneous) trunk with a crown of large, hard and stiff, evergreen leaves. They usually have pinnate leaves. The individual plants are either all male or all female (dioecious). Cycads vary in size from having trunks only a few centimeters to several meters tall. They typically grow very slowly and live very long, with some specimens known to be as much as 1,000 years old. Because of their superficial resemblance, they are sometimes mistaken for palms or ferns, but they are not closely related to either group.
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Fauna of Colombia The fauna of Colombia is characterized by a high biodiversity, with the highest rate of species by area unit worldwide.
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Amphipoda Amphipoda is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies. Amphipods range in size from 1 to and are mostly detritivores or scavengers. There are more than 9,900 amphipod species so far described. They are mostly marine animals, but are found in almost all aquatic environments. Some 1,900 species live in fresh water, and the order also includes terrestrial animals and sandhoppers such as "Talitrus saltator".
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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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Mollusca The mollusc (or mollusk ) composes the large phylum Mollusca of invertebrate animals. Around 85,000 extant species of molluscs are recognized. The number of fossil species is estimated between 60,000 and 100,000 species
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Thyca ectoconcha Thyca ectoconcha is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of multiple known species to exist within the genus, "Thyca".
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Echinocereus relictus Echinocereus relictus is a species of hedgehog cactus.
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Synodontis Synodontis is the largest genus of mochokid catfishes. It is the biggest genus within the 10 genera and 190 different species in the Mochokidae family. "Synodontis" has over 131 different species within the genera. "Synodontis" are also known as "squeakers", due to their ability to make stridulatory sounds through their pectoral fin spines when handled or disturbed. "Synodontis" make a sound that sounds like squeaking by rubbing their spines together. They do this when they have been frightened or when they become angry. "Synodontis" may also squeak when they are taken out of the water. These catfish are small- to medium-sized fish with many species exhibiting attractive spotted markings. Some species are also known for naturally swimming belly-up, earning the name upside-down catfish. Some of these species are "Synodontis contractus" and "Synodontis nigriventris". While some of these species are known to swim upside down, another species, "Synodontis multipunctatus", is a brood parasitic cuckoo catfish.
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Echinometra Echinometra is a genus of sea urchins in the family Echinometridae.
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Echinopsis scopulicola Echinopsis scopulicola is a type of cactus native to Bolivia, which contains psychedelic compounds. Many claim this species contains mescaline, which was until recently unconfirmed due to the lack of official research, but a study published in September 2010 by the International Society for Ethnopharmacology placed it in the top third of the results for their samples. This included 14 taxa/cultivars of the subgenus Trichocereus of the genus Echinopsis, with Scopulicola noted to contain 0.82% mescaline/dry weight in the outer green layer.
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Scops owl Scops owls are typical owls (family Strigidae) mostly belonging to the genus "Otus". Approximately 45 living species are known, but new ones are frequently recognized and unknown ones are still being discovered every few years or so, especially in Indonesia. For most of the 20th century, this genus included the American screech owls, which are now again separated in "Megascops" based on a range of behavioral, biogeographical, morphological and DNA sequence data. "Otus" is the largest genus of owls in terms of number of species.
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Right whale Right whales are three species of large baleen whales of the genus Eubalaena: the North Atlantic right whale ("E. glacialis"), the North Pacific right whale ("E. japonica") and the Southern right whale ("E. australis"). They are classified in the family Balaenidae with the bowhead whale. Right whales have rotund bodies with arching rostrums, V-shaped blowholes and dark gray or black skin. The most distinguishing feature of a right whale is the rough patches of skin on its head which appear white due to parasitism by whale lice. Right whales can grow up to more than 18 m long with the maximum record of 19.8 m and weigh up to 100 ST or more; 20.7 m with 135000 kg or 21.3 m with uncertainty, being significantly larger than other coastal species such as humpbacks, grays, or eden's and omura's, but smaller than blues. One (apocryphal) explanation for their name is that right whales were named by whalers who identified them as the "right" whale to kill on a hunt due to the plentiful oil and baleen they could provide.
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Centropomus Centropomus Lacépède, 1802, is a genus of predominantly marine fish in family Centropomidae of order Perciformes. The type species is "Centropomus undecimalis", the common snook. Commonly known as snooks or róbalos, the "Centropomus" species are native to tropical and subtropical waters of the western Atlantic and eastern Pacific Oceans.
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Echinorhynchus Echinorhynchus is a genus of acanthocephalan parasitic worms. They parasitize a wide variety of fishes from both marine and fresh waters. The intermediate host is usually a crustacean.
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Satanoperca Satanoperca is a small genus of cichlids from South America, where they are known from the Orinoco, Essequibo, Nickerie, Amazon, Paraná and Paraguay river basins. They are part of a group popularly known as eartheaters.
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Dytiscidae The Dytiscidae – based on the Greek "dytikos" (δυτικός), "able to dive" – are the predaceous diving beetles, a family of water beetles. They are about 25 mm (1.0 in) long on average, though much variation is seen between species. "Dytiscus latissimus", the largest, can grow to 45 mm long. Most are dark brown, blackish, or dark olive in color with golden highlights in some subfamilies. They have short, but sharp mandibles. Immediately upon biting, they deliver digestive enzymes. The larvae are commonly known as water tigers. The family has not been comprehensively cataloged since 1920, but is estimated to include about 4,000 species in over 160 genera.
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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.