What are arthropods?

Some articles on arthropods, arthropod:

Timeline Of Plant Evolution - Pal├Žozoic Flora - Devonian Flora
... plants that created the first recognizable soils and harbored some arthropods like mites, scorpions and myriapods ... The primitive arthropods co-evolved with this diversified terrestrial vegetation structure ... Also in the Devonian, both vertebrates and arthropods were solidly established on the land ...
Arthropod Eye - Evolution - Origin
... organisms have been identified as similar to the last common ancestor of arthropods hence the eyes possessed by the first arthropod remains a matter of conjecture ... comes from the onychophorans a stem group lineage that diverged soon before the first true arthropods ... This is similar to the wiring of the median ocelli (small simple eyes) possessed by many arthropods the eyes also follow a similar pathway through the early development of organisms ...
Arthropod Head Problem - Fossil Evidence
... Sirius Passet, Chengjiang and Orsten faunas, has yielded a very rich record of well-preserved arthropods, including the well-known trilobites ... Many Cambrian arthropods, including the trilobites themselves, possess a single pair of slender antennae, which have been equated with either the first or second antennae of the ... However, another group of arthropods, the so-called "great appendage" arthropods, including Yohoia, Leanchoilia and Alalcomenaeus, do not possess simple antennae, but rather have a robust ...
Lapland Bunting - Food Habits
... the Lapland Longspur are quite simple mostly seeds in winter and arthropods in the summer, when they are in activity ... the birds migrate to the north, where their diet switches to arthropods ... Nestlings are only fed arthropods, which also constitute the diet of the parents at that time of the year (June to July) ...
Schinderhannes Bartelsi - Significance
... The organism allows the classification of early arthropods to be resolved, to some degree ... The organism is classified basally to the true arthropods, but is closer to that group than Anomalocaris ... By analogy, Schinderhannes could be thought of as an 'aunt' to the arthropods, and Anomalocaris a 'great-aunt' ...