*  Prionomyrmecini - Wikipedia
Nothomyrmecia workers feed on nectar and arthropods, using their compound eyes for prey and navigational purposes. Owing to ... These ants can be identified by their long slender bodies, powerful stingers and elongated mandibles. Fossil Prionomyrmecini ... Both ants have large compound eyes, relying on their vision for prey and navigational purposes. Due to their primitive and ... Fossil Prionomyrmecini ants existed in Europe during the Eocene and Late Oligocene. Cesare Baroni Urbani collected Prionomyrmex ...
  https://en.wikipedia.org/wiki/Prionomyrmecini
*  An insect-like mushroom body in a crustacean brain | eLife
... or an extraordinary example of convergent evolution with the insect mushroom body. ... An insect-like mushroom body in one group of crustaceans, the mantis shrimps (Stomatopoda), suggests either an ancient origin ... With the largest compound eyes of any panarthropod, and long antennules, mantis shrimps are equipped for high-level visual and ... Fossil brains described from the lower Cambrian stem arthropod Fuxianhuia protensa suggest that optic lobe and neuromeric ...
  https://elifesciences.org/articles/29889
*  Science Explorations: Classify Insects: Zoom in on True Bugs: Arthropods | Scholastic.com
Adult insects have one pair of antennae, one set of mandibles, and two compound eyes. Their compound eyes are often so large as ... Arthropods such as mites and lice flourish on the bodies of almost every kind of animal on Earth.. A Basic Body Plan. Despite ... Fossils of these first arthropods can be found in rock dating to the Cambrian period, which began 545 million years ago. They ... All species of arthropods also share a basic body plan. Their bodies are segmented, or divided into distinct parts. The exact ...
  http://teacher.scholastic.com/activities/explorations/bug/libraryarticle.asp?ItemID=108&SubjectID=120&categoryID=4
*  crustacean facts, information, pictures | Encyclopedia.com articles about crustacean
The segmented body usually has a distinct head (bearing compound eyes, two pairs of antennae, and various mouthparts), thorax, ... a median eye, and three pairs of appendages.. Like other arthropods, adult crustaceans have segmented bodies and jointed legs; ... The Branchiopoda (similar to modern water fleas, Lower Devonian to Recent) are valuable index fossils in non-marine strata. The ... The nauplius eye, characteristic of crustacean larvae, is absent in many adults; and some groups lack the compound eyes. ...
  https://www.encyclopedia.com/plants-and-animals/animals/zoology-invertebrates/crustacean
*  Biological Diversity 8
Spiders have numerous simple eyes rather than compound eyes. The chelicerae are modified as fangs with ducts from poison glands ... The arthropod body consists of three major collections or zones of body segments: ... They are the oldest terrestrial arthropods known from fossils. All scorpions are nocturnal and spend most of the day hidden ... The compound eye of insects is also quite prominent. This image is copyright Dennis Kunkel at www.DennisKunkel.com, used with ...
  http://www2.estrellamountain.edu/faculty/farabee/biobk/BioBookDiversity_8.html
*  Trilobites.com presented by EXTINCTIONS Inc.
Museum and Collector Quality Fossils, World Class Specimens, including Dinosaurs, Trilobites, Ammonites, and Amber. ... compound eyes, much like modern insects, with hundreds of individual lenses. Beneath each body segment was a pair of two- ... And due to their unique anatomy and bizarre body designs, trilobites are also admired by untrained amateurs. Fossil trilobites ... These extinct arthropods have even been found fossilized with healed bite marks, proving that they were prey for larger ...
  http://www.trilobites.com/site/index.cfm?action=what_is
*  Schinderhannes bartelsi - Wikipedia
... compound eyes. It has 12 body segments; large flap-like structures used for swimming protrude from the 11th segment, and from ... Gabriele Kühl, Derek E. G. Briggs & Jes Rust (2009). "A great-appendage arthropod with a radial mouth from the Lower Devonian ... doi:10.1111/j.1502-3931.1995.tb01587.x. Paleontology portal Origin of claws seen in 390-million-year-old fossil Panda's Thumb: ... typically large compound eyes, often set on stalks, and most strikingly, a pair of large, claw-like great appendages that ...
  https://en.wikipedia.org/wiki/Schinderhannes_bartelsi
*  Morphology of the Eurypterida
"Fossil Taxa and Relationships of Chelicerates" pp. 303-311 in G. D. Edgecombe (ed.) Arthropod Fossils and Phylogeny, Columbia ... two compound eyes at the sides, and two smaller ocelli (simple eyes) from the top central portion. The eurypterid shown above ( ... The body of eurypterids is segmented, as in all arthropods, and may be divided into two basic parts. The front portion is the ... Pterygotus) has unusually large compound eyes. The ventral (belly) side of the prosoma may be a single shield-like plate or ...
  http://www.ucmp.berkeley.edu/arthropoda/chelicerata/eurypteridmm.html
*  Nothomyrmecia - Wikipedia
Owing to its body structure, Nothomyrmecia is regarded to be the most primitive ant alive and a 'living fossil', stimulating ... Workers are strictly nocturnal (active mainly at night) but navigate by vision, relying on large compound eyes. The mandibles ... The mandibles, clypeus (one of the sclerites that make up the "face" of an arthropod or insect), antennae and legs are pale ... The ant is commonly known as the dinosaur ant, dawn ant, or living fossil ant because of its primitive body structure. The ...
  https://en.wikipedia.org/wiki/Nothomyrmecia
*  Arthropoda - The Canadian Encyclopedia
Body segments are grouped into compound body sections (2 for myriapods, 3 for insects). ... and often 2 compound eyes and 1 or more simple eyes. Sensory information is processed in a central nervous system consisting of ... Aquatic arthropods breathe using gills borne on appendages or body segments; terrestrial forms, by book lungs (membranes ... The oldest known fossils (lower Cambrian, 544-520 million years old) are diverse and many belong to groups still in existence. ...
  https://thecanadianencyclopedia.com/en/article/arthropoda/
*  Anomalocaridid - Wikipedia
Anomalocaridids also had large compound eyes, a feature that they share with arthropods. The body was flanked with a series of ... Nature: "An eye-opening fossil" Robert R. Gaines; Derek E.G. Briggs; Patrick J. Orr; Peter Van Roy (2012). "Preservation of ... Features shared with arthropods include a head carapace, appendages that are covered with jointed plates, and compound eyes. ... When the fossils were originally described, the jointed arms in front of the mouth were classified as separate arthropods ( ...
  https://en.wikipedia.org/wiki/Anomalocaridid
*  Anomalocaris - Wikipedia
In 2011, six fossils of compound eyes dated to the Cambrian period (515 million years ago) were recovered from an ... proving that Anomalocaris was indeed an arthropod as had been suspected. The find also indicated that advanced arthropod eyes ... The body was discovered separately and classified as a sponge in the genus Laggania; a mouth was found with the body, but was ... Anomalocaris had a large head, a single pair of large, compound eyes on stalks comprising approximately 16,000 lenses, and an ...
  https://en.wikipedia.org/wiki/Anomalocaris
*  October 2010 : Yard and Garden News : UMN Extension
Whereas an insect such as a bee will have 3 body parts, 2 compound eyes, 2 antennae, 4 wings, 3 pairs legs, and a Karl Foord. ... The first arthropod fossils date to the Cambrian @ 555 million years ago (mya). From this common ancestor five groups emerged, ... Who would have thought? The oldest arachnid fossil dates to the Silurian period 420 mya, while the oldest insect fossil dates ... On closer inspection the mite has no antennae, no wings, 4 pairs of legs, an unsegmented abdomen, and simple eyes. ...
  http://blog-yard-garden-news.extension.umn.edu/2010/10/
*  Waptia - Wikipedia
The well-developed compound eyes were stalked. The striking morphological similarities of the eyes of Waptia fieldensis to that ... or even of all arthropods. Despite being one of the first species recovered and being the third most abundant fossils of the ... It had a large bivalved carapace and a segmented body terminating into a pair of tail flaps. It was an active swimmer, feeding ... This difficulty is further compounded by evidence that the fossils of P. spinodorsalis may in fact be moults (exuviae), and not ...
  https://en.wikipedia.org/wiki/Waptia
*  Opabinia - Wikipedia
It has been assumed that the eyes were all compound, like arthropods' lateral eyes, but this reconstruction, which is not ... Body and lobe == Gill "blades" = "Leg" = "Claw" = Gut Interpretations of other features of Opabinia fossils differ. Since the ... stalked eyes and other features; and he classified them as primitive arthropods, although he considered that arthropods are not ... and about whether arthropods are a sub-group of lobopods or a sister-group. While this discussion about specific fossils such ...
  https://en.wikipedia.org/wiki/Opabinia
*  Complex Brains Existed 520 Million Years Ago in Cockroach Relative - Scientific American Blog Network
"The fossil provides the most convincing, and certainly the oldest, description of nervous-system tissue in a fossil arthropod ... such as compound eye vision.. Another possibility, albeit a controversial one, is that Fuxianhuia is, indeed, ancestral to all ... Fuxianhuia's body is understandably primitive, which is par for the prehistoric course, given that it lived some 290 million ... the arthropod brain had already become surprisingly advanced. The new findings are based on a three-inch-long fossil arthropod ...
  https://blogs.scientificamerican.com/observations/complex-brains-existed-520-million-years-ago-in-cockroach-relative/
*  Mangrove horseshoe crab - Wikipedia
Uncommon for chelicerates, horseshoe crabs have two compound eyes. The main function of these compound eyes is to find a mate. ... The basic body plan of a horseshoe crab consists of three parts: the prosoma, the opisthosoma and the telson. The prosoma is ... Fossils of horseshoe crabs that have been dated to over 400 million years ago look almost identical to those species that are ... The mangrove horseshoe crab (Carcinoscorpius rotundicauda) is a chelicerate arthropod found in marine and brackish waters. ...
  https://en.wikipedia.org/wiki/Mangrove_horseshoe_crab
*  Myriapoda - Wikipedia
Exceptions include the large and well-developed compound eyes of Scutigera The mouthparts lie on the underside of the head, ... Arthropods portal Euthycarcinoidea, a group of enigmatic arthropods that may be ancestral to myriapods Colonization of land, ... and Cambrian fossils exist which resemble myriapods. The oldest unequivocal myriapod fossil is of the millipede Pneumodesmus ... They are distinguished by the fusion of each pair of body segments into a single unit, giving the appearance of having two ...
  https://en.wikipedia.org/wiki/Myriapoda
*  Eurypterid - Wikipedia
The upper side of the prosoma holds the compound eyes and between them a pair of small ocelli (simple eye-like sensory organs ... "Extinction and the fossil record of Arthropods". In G.P. Larwood. Extinction and survival in the fossil record. Oxford [ ... rarely trilobed body; prosoma [head] of moderate size; opisthosoma [body] with 12 moveable segments and styliform to spatulate ... Seven years later, in 1825, James E. DeKay recognized the fossil as clearly belonging to an arthropod. He identified it as a ...
  https://en.wikipedia.org/wiki/Eurypterid
*  ShukerNature: August 2016
... they are famed for their segmented body form, numerous pairs of limbs, and extremely well-developed compound eyes. ... Horseshoe crabs, incidentally, are the closest living relatives of another taxonomic group of iconic fossil arthropods - the ... Fossil skeleton of a Late Jurassic Chinese stegosaur, Tuojiangosaurus (© Ayca Wilson/Wikipedia CC BY 2.0 licence) ... Moreover, even fossil stegosaur remains so far disinterred in Asia are restricted to China (predominantly) and India (very ...
  http://karlshuker.blogspot.nl/2016/08/
*  Macabeemyrma - Wikipedia
It could not be confirmed whether its eyes were compound or not, but if it was to be confirmed they would share similar eye ... preserved as a compression fossil in fine-grained shale. The shale is from fossiliferous outcrops at the McAbee Fossil Beds, ... The overall body of the ant is poorly preserved and much of it is indistinct. Macabeemyrma ovata is about 25 millimetres (0.98 ... Workers were solitary foragers, foraging on the ground or onto vegetation while preying on arthropods. Workers most likely did ...
  https://en.wikipedia.org/wiki/Macabeemyrma
*  ShukerNature: DREDGING UP SOME LIVING TRILOBITES?
... they are famed for their segmented body form, numerous pairs of limbs, and extremely well-developed compound eyes. ... Horseshoe crabs, incidentally, are the closest living relatives of another taxonomic group of iconic fossil arthropods - the ... The former fossils are excavations featuring little or no forward movements, and have therefore been interpreted as traces left ... All very worthy indeed, but what caught my eye amid all of these statements was one attributed in the news report to none other ...
  http://karlshuker.blogspot.co.uk/2016/08/dredging-up-some-living-trilobites.html
*  Horseshoe crab - Wikipedia
The entire body of the horseshoe crab is protected by a hard carapace. It has two compound lateral eyes, each composed of about ... As in other arthropods, a true endoskeleton is absent, but the body does have an endoskeletal structure made up of ... The earliest horseshoe crab fossils are found in strata from the late Ordovician period, roughly 450 million years ago. The ... a single endoparietal eye, and a pair of rudimentary lateral eyes on the top. The latter become functional just before the ...
  https://en.wikipedia.org/wiki/Horseshoe_crab
*  Evolution: The Rise of Complexity - Scientific American Blog Network
In the Cambrian, eyes were all the rage. Arthropods were visual trendsetters, creating compound eyes by using the latter ... thus creating what is referred to as a camera-style eye. In the fossil record, eyes seem to emerge from eyeless predecessors ... In Evolution's Witness, Ivan Schwab explains how one of the most complex organs in our body, our eyes, evolved. Often touted by ... Our eyes, as well as those of octopuses and fish, took a different approach than those of the arthropods, putting photo ...
  https://blogs.scientificamerican.com/science-sushi/evolution-the-rise-of-complexity/
*  Avitomyrmex - Wikipedia
The specimen also has large compound eyes. The specific epithet mastax is from the Greek "mastax" meaning "jaw" or "mandible", ... A. elongatus was described from a single side of a compression fossil found from the Middle Ypresian McAbee Fossil Beds, ... The behaviour of these ants may have been similar to extant Myrmeciinae ants, such as foraging solitarily for arthropod prey ... and the other isolated body portions indistinct. The paratype is a mostly complete queen missing parts of her gaster, legs and ...
  https://en.wikipedia.org/wiki/Avitomyrmex