59 relations: Acroceridae, Anomalocaridid, Archaeognatha, Arthropod, Bilateria, Calcite, Calmoniidae, Caterpillar, Chelicerata, Compound eye, Convergent evolution, Copepod, Cyclops (genus), Dachshund (gene), Devonian, Dragonfly, Drosophila, Eodiscina, Euan Clarkson, Evolution of insects, Eye, Hexapoda, Holochroal eye, Homeobox, Horse-fly, Horseshoe crab, Larva, Laterality, Limulus, Living fossil, Mandible (arthropod mouthpart), Mandibulata, Mantis, Mantispidae, Mayfly, Mollusc eye, Monophyly, Myriapoda, Ommatidium, Onychophora, Optic lobe (arthropods), Orthodenticle, Paralejurus, Parietal eye, Peduncle (anatomy), Phacopina, Pseudopupil, Scientific Reports, Sclera, Scutigera, ..., Simple eye in invertebrates, Synapomorphy and apomorphy, Tabanus lineola, Tapetum lucidum, Trilobite, Vision in fishes, Visual acuity, Whirligig beetle, Wolf spider. Expand index (9 more) » « Shrink index
The Acroceridae are a small family of odd-looking flies.
The AnomalocarididsNeolatin compound word from Greek ἀνώμαλος anomalos and καρίς karis (gen.: καρίδος), meaning "strange shrimp".
The Archaeognatha are an order of apterygotes, known by various common names such as jumping bristletails.
An arthropod (from Greek ἄρθρον arthron, "joint" and πούς pous, "foot") is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and paired jointed appendages.
The Bilateria or bilaterians, or triploblasts, are animals with bilateral symmetry, i.e., they have a head (anterior) and a tail (posterior) as well as a back (dorsal) and a belly (ventral); therefore they also have a left side and a right side.
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).
Calmoniidae is a family of trilobites from the order Phacopida, suborder Phacopina, superfamily Acastoidea.
Caterpillars are the larval stage of members of the order Lepidoptera (the insect order comprising butterflies and moths).
The subphylum Chelicerata (New Latin, from French chélicère, from Greek khēlē "claw, chela" and kéras "horn") constitutes one of the major subdivisions of the phylum Arthropoda.
Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.
The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.
Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.
Christmas traditions vary from country to country.
A compound eye is a visual organ found in arthropods such as insects and crustaceans.
Convergent evolution is the independent evolution of similar features in species of different lineages.
Copepods (meaning "oar-feet") are a group of small crustaceans found in the sea and nearly every freshwater habitat.
Cyclops is one of the most common genera of freshwater copepods, comprising over 400 species.
dachshund is a gene involved in the development of the arthropod compound eye which also plays a role in leg development.
The Devonian is a geologic period and system of the Paleozoic, spanning 60 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya.
A dragonfly is an insect belonging to the order Odonata, infraorder Anisoptera (from Greek ἄνισος anisos, "uneven" and πτερόν pteron, "wing", because the hindwing is broader than the forewing).
Drosophila is a genus of flies, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or (less frequently) pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many species to linger around overripe or rotting fruit.
Eodiscina is a suborder of trilobites, a well known group of marine arthropods.
Euan N.K. Clarkson FRSE (born 1937) is a British palaeontologist and writer.
The most recent understanding of the evolution of insects is based on studies of the following branches of science: molecular biology, insect morphology, paleontology, insect taxonomy, evolution, embryology, bioinformatics and scientific computing.
Eyes are organs of the visual system.
The subphylum Hexapoda (from the Greek for six legs) constitutes the largest number of species of arthropods and includes the insects as well as three much smaller groups of wingless arthropods: Collembola, Protura, and Diplura (all of these were once considered insects).
Holochroal eyes are compound eyes with many tiny lenses (sometimes more than 15,000, each 30-100μm, rarely larger).
A homeobox is a DNA sequence, around 180 base pairs long, found within genes that are involved in the regulation of patterns of anatomical development (morphogenesis) in animals, fungi and plants.
Horse-flies or horseflies (for other names, see common names) are true flies in the family Tabanidae in the insect order Diptera.
Horseshoe crabs are marine and brackish water arthropods of the family Limulidae, suborder Xiphosurida, and order Xiphosura.
A larva (plural: larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults.
The term laterality refers to the preference most humans show for one side of their body over the other.
Limulus is a genus of horseshoe crab, with one extant species, the Atlantic horseshoe crab (Limulus polyphemus).
A living fossil is an extant taxon that closely resembles organisms otherwise known only from the fossil record.
The mandibles of a bull ant The mandible (from mandibula or mandĭbŭ-lum, a jaw) of an arthropod is a pair of mouthparts used either for biting or cutting and holding food.
Mandibulata, termed "mandibulates", is a clade of arthropods that comprises the extant subphyla Myriapoda (millipedes and others), Crustacea and Hexapoda (insects and others).
Mantises are an order (Mantodea) of insects that contains over 2,400 species in about 430 genera in 15 families.
Mantispidae, known commonly as mantidflies, mantispids, mantid lacewings or mantis-flies, is a family of small to moderate-sized insects in the order Neuroptera.
Mayflies (also known as Canadian soldiers in the United States, and as shadflies or fishflies in Canada and the upper Midwestern U.S.; also up-winged flies in the United Kingdom) are aquatic insects belonging to the order Ephemeroptera.
The molluscs have the widest variety of eye morphologies of any phylum, and a large degree of variation in their function.
In cladistics, a monophyletic group, or clade, is a group of organisms that consists of all the descendants of a common ancestor.
Myriapoda is a subphylum of arthropods containing millipedes, centipedes, and others.
New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.
New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.
In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.
The compound eyes of arthropods like insects, crustaceans and millipedes are composed of units called ommatidia (singular: ommatidium).
Onychophora (from Ancient Greek, onyches, "claws"; and pherein, "to carry"), commonly known as velvet worms (due to their velvety texture and somewhat wormlike appearance) or more ambiguously as peripatus (after the first described genus, Peripatus), is a phylum of elongate, soft-bodied, many-legged panarthropods.
The optic(al) lobe of arthropods is a structure of the protocerebrum that sits behind the arthropod eye (mostly compound eyes) and is responsible for the processing of the visual information.
Orthodenticle is a homeobox gene involved in Drosophila head development.
Paralejurus is a genus of trilobite from the Late Silurian to the Middle Devonian of Africa and Europe.
A parietal eye, also known as a third eye or pineal eye, is a part of the epithalamus present in some animal species.
A peduncle is an elongated stalk of tissue.
The Phacopina comprise a suborder of the trilobite order Phacopida.
In the compound eye of invertebrates such as insects and crustaceans, the pseudopupil appears as a dark spot which moves across the eye as the animal is rotated.
Scientific Reports is an online open access scientific mega journal published by the Nature Publishing Group, covering all areas of the natural sciences.
The sclera, also known as the white of the eye, is the opaque, fibrous, protective, outer layer of the human eye containing mainly collagen and some elastic fiber.
Scutigera is a centipede genus in the family Scutigeridae.
A simple eye (sometimes called a pigment pit) refers to a type of eye form or optical arrangement that contains a single lens.
In phylogenetics, apomorphy and synapomorphy refer to derived characters of a clade – characters or traits that are derived from ancestral characters over evolutionary history.
Tabanus lineola, also known as the striped horse fly, is a species of biting horse-fly.
The tapetum lucidum (Latin: "bright tapestry; coverlet", plural tapeta lucida) is a layer of tissue in the eye of many vertebrates.
Trilobites (meaning "three lobes") are a fossil group of extinct marine arachnomorph arthropods that form the class Trilobita.
Vision is an important sensory system for most species of fish.
Visual acuity (VA) commonly refers to the clarity of vision.
The whirligig beetles are a family (Gyrinidae) of water beetles that usually swim on the surface of the water if undisturbed, though they swim underwater when threatened.
Wolf spiders are members of the family Lycosidae, from the Ancient Greek word "λύκος" meaning "wolf".
2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.
2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.