|
Sapphirinidae
Sapphirinidae is a family of parasitic copepods in the order Cyclopoida. Description Males come in a variety of bright and flashy colors. In contrast, the females are transparent. The reason for this sexual dimorphism is that males need to attract the attention of females in order to mate. Genera The family Sapphirinidae consists of the following genera: * ''Copilia ''Copilia'' is a genus of copepods in the family Sapphirinidae. The eyes in members of this genus have two lenses, arranged like those in a telescope. Species The genus ''Copilia'' contains the following species: * '' Copilia asiaticus'' ( ...'' Dana, 1849 * '' Sapphirina'' J. Thompson, 1830 * '' Vettoria'' C. B. Wilson, 1924 References External links * Poecilostomatoida Crustacean families {{Copepod-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sapphirina
''Sapphirina'', whose members are commonly known as sea sapphires, is a genus of parasitic copepods in the family Sapphirinidae. Description Various species of male ''Sapphirina'' shine in different hues, from bright gold to deep blue. This is partially due to structural coloration in which microscopic layers of crystal plates inside their cells which are separated by minute distances, and these distances equal the same wavelength of the corresponding color of their "shine". The females are translucent, as are the males when they are not shining. Species The genus ''Sapphirina'' consists of the following species: * '' Sapphirina angusta'' Dana, 1849 * '' Sapphirina aureofurca'' Giesbrecht, 1891 * '' Sapphirina auronitens'' Claus, 1863 * ''Sapphirina bella'' Dana, 1849 * '' Sapphirina bicuspidata'' Giesbrecht, 1891 * '' Sapphirina clausii'' (Haeckel, 1864) * '' Sapphirina coruscans'' Dana, 1849 * ''Sapphirina cylindrica'' Lubbock, 1860 * ''Sapphirina danae'' Lubbock, 1856 * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Copilia
''Copilia'' is a genus of copepods in the family Sapphirinidae. The eyes in members of this genus have two lenses, arranged like those in a telescope. Species The genus ''Copilia'' contains the following species: * '' Copilia asiaticus'' (F. Dahl, 1894) * ''Copilia atlantica'' Lubbock, 1856 * '' Copilia brucii'' Thompson, 1888 * '' Copilia denticulata'' Claus, 1863 * '' Copilia elliptica'' Giesbrecht, 1891 * ''Copilia fultoni'' T. Scott, 1894 * ''Copilia hendorffi'' F. Dahl, 1894 * ''Copilia lata'' Giesbrecht, 1891 * ''Copilia longistylis'' Mori, 1933 * ''Copilia mediterranea'' (Claus, 1863) * ''Copilia mirabilis'' Dana, 1852 * ''Copilia nicaeensis'' Leuckart, 1859 * ''Copilia oblonga'' Giesbrecht, 1891 * ''Copilia pellucida'' (Haeckel, 1864) * ''Copilia quadrata'' Dana, 1849 * '' Copilia recta'' Giesbrecht, 1891 * ''Copilia vitrea ''Copilia'' is a genus of copepods in the family Sapphirinidae. The arthropod eye, eyes in members of this genus have two lenses, arranged li ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sapphirina Darwinii
''Sapphirina darwinii'' is a species of parasitic copepod. It is widespread and common in the Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by th ..., and reaches a maximum length of . References External links * Poecilostomatoida Crustaceans described in 1864 Taxa named by Ernst Haeckel {{Copepod-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Poecilostomatoida
Poecilostomatoida are an suborder of copepods. Although it was previously considered a separate order, recent research showed it to be nested within the Cyclopoida Description The classification of these copepods has been established on the basis of the structure of the mouth. In poecilostomatoids the mouth is represented by a transverse slit, partially covered by the overhanging labrum which resembles an upper lip. Although there is variability in the form of the mandible among poecilostomatoids, it can be generalized as being falcate (sickle-shaped). The antennules are frequently reduced in size and the antennae modified to terminate in small hooks or claws that are used in attachment to host organisms. Life cycle As with many crustaceans, larval development is metamorphic with immature forms differing greatly from those of adults. Embryos are carried in paired or single sacs attached to first abdominal somite (as seen in the illustration of the female '' Sapphirina darwinii ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ootheca
An ootheca (pl. ''oothecae'' ) is a type of egg mass made by any member of a variety of species including mollusks (such as ''Turbinella laevigata''), mantises, and cockroaches. The word is a Latinized combination of ''oo-'', meaning "egg", from the Greek word ''ōon'' (cf. Latin ''ovum''), and ''theca'', meaning a "cover" or "container", from the Greek ''theke''. Ootheke is Greek for ovary. Oothecae are made up of structural proteins and tanning agents that cause the protein to harden around the eggs, providing protection and stability. The production of ootheca convergently evolved across numerous insect species due to a selection for protection from parasites and other forms of predation, as the complex structure of the shell casing provides an evolutionary reproductive advantage (although the fitness and lifespan also depend on other factors such as the temperature of the incubating ootheca). Oothecae are most notably found in the orders Blattodea (Cockroaches) and Mantode ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tamerlan Thorell
Tord Tamerlan Teodor Thorell (3 May 1830 – 22 December 1901) was a Sweden, Swedish arachnologist. Thorell studied spiders with Giacomo Doria at the Museo Civico di Storia Naturale de Genoa. He corresponded with other arachnologists, such as Octavius Pickard-Cambridge, Eugène Simon and Thomas Workman (entomologist), Thomas Workman. He described more than 1,000 spider species during his time from the 1850 to 1900. Thorell wrote: ''On European Spiders'' (1869) and ''Synonym of European Spiders'' (1870-73). Taxonomic honors The Orb-weaver spider genus ''Thorellina'' and the jumping spider genus ''Thorelliola'' are named after him, as well as about 30 species of spiders: * ''Araneus thorelli'' (Roewer, 1942) (Myanmar) (Araneidae) * ''Gasteracantha thorelli'' Keyserling, 1864 (Madagascar) (Araneidae) * ''Leviellus thorelli'' (Ausserer, 1871) (Europe) (Araneidae) * ''Mandjelia thorelli'' (Raven, 1990) (Queensland) (Barychelidae) * ''Clubiona thorelli'' Roewer, 1951 (Sumatra) (Clubi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Family (biology)
Family ( la, familia, plural ') is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family". What belongs to a family—or if a described family should be recognized at all—are proposed and determined by practicing taxonomists. There are no hard rules for describing or recognizing a family, but in plants, they can be characterized on the basis of both vegetative and reproductive features of plant species. Taxonomists often take different positions about descriptions, and there may be no broad consensus across the scientific community for some time. The publishing of new data and opini ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parasitic
Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has characterised parasites as "predators that eat prey in units of less than one". Parasites include single-celled protozoans such as the agents of malaria, sleeping sickness, and amoebic dysentery; animals such as hookworms, lice, mosquitoes, and vampire bats; fungi such as honey fungus and the agents of ringworm; and plants such as mistletoe, dodder, and the broomrapes. There are six major parasitic strategies of exploitation of animal hosts, namely parasitic castration, directly transmitted parasitism (by contact), trophicallytransmitted parasitism (by being eaten), vector-transmitted parasitism, parasitoidism, and micropredation. One major axis of classification concerns invasiveness: an endoparasite lives inside the host's body; an e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Copepod
Copepods (; meaning "oar-feet") are a group of small crustaceans found in nearly every freshwater and saltwater habitat (ecology), habitat. Some species are planktonic (inhabiting sea waters), some are benthos, benthic (living on the ocean floor), a number of species have parasitic phases, and some continental species may live in limnoterrestrial habitats and other wet terrestrial places, such as swamps, under leaf fall in wet forests, bogs, springs, ephemeral ponds, and puddles, damp moss, or water-filled recesses (phytotelmata) of plants such as bromeliads and pitcher plants. Many live underground in marine and freshwater caves, sinkholes, or stream beds. Copepods are sometimes used as Ecological indicator, biodiversity indicators. As with other crustaceans, copepods have a larval form. For copepods, the egg hatches into a Crustacean larvae#Nauplius, nauplius form, with a head and a tail but no true thorax or abdomen. The larva molts several times until it resembles the adult an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Order (biology)
Order ( la, wikt:ordo#Latin, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between Family_(biology), family and Class_(biology), class. In biological classification, the order is a taxonomic rank used in the classification of organisms and recognized by the nomenclature codes. An immediately higher rank, superorder, is sometimes added directly above order, with suborder directly beneath order. An order can also be defined as a group of related families. What does and does not belong to each order is determined by a taxonomist, as is whether a particular order should be recognized at all. Often there is no exact agreement, with different taxonomists each taking a different position. There are no hard rules that a taxonomist needs to follow in describing or recognizing an order. Some taxa are accepted almost universally, while others are recognized only rarely. The name of an order is usually written with a capital letter. Fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cyclopoida
The Cyclopoida are an order of small crustaceans from the subclass Copepoda. Like many other copepods, members of Cyclopoida are small, planktonic animals living both in the sea and in freshwater habitats. They are capable of rapid movement. Their larval development is metamorphic, and the embryos are carried in paired or single sacs attached to first abdominal somite. Distinguishing features Cyclopoids are distinguished from other copepods by having first antennae shorter than the length of the head and thorax, and uniramous second antennae. The main joint lies between the fourth and fifth segments of the body. Taxonomy Cyclopoida contains 30 families: * Archinotodelphyidae Lang, 1949 * Ascidicolidae Thorell, 1859 * Botryllophilidae Sars G.O., 1921 * Buproridae Thorell, 1859 * Chitonophilidae Avdeev & Sirenko, 1991 * Chordeumiidae Boxshall, 1988 * Corallovexiidae Stock, 1975 * Cucumaricolidae Bouligand & Delamare-Deboutteville, 1959 * Cyclopettidae Martínez Arbizu, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sexual Dimorphism
Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most animals and some plants. Differences may include secondary sex characteristics, size, weight, colour, markings, or behavioural or cognitive traits. These differences may be subtle or exaggerated and may be subjected to sexual selection and natural selection. The opposite of dimorphism is ''monomorphism'', which is when both biological sexes are phenotypically indistinguishable from each other. Overview Ornamentation and coloration Common and easily identified types of dimorphism consist of ornamentation and coloration, though not always apparent. A difference in coloration of sexes within a given species is called sexual dichromatism, which is commonly seen in many species of birds and reptiles. Sexual selection leads to the exaggerated dim ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
