Definition of Megacheirans. Meaning of Megacheirans. Synonyms of Megacheirans

- environments worldwide from the lower Cambrian to the upper Ordovician. Megacheirans are defined by their possession of uniramous "great appendages", which...
- majority of other megacheirans, which typically have a small telson with copious amounts of spines. The only other described megacheiran known with a similar...
- is a feature shared by the great appendages of megacheirans. Similar to the multisegmented megacheirans, the trunk of Kylinxia covers most of the body...
- Dytikosicula's affinity is unclear, although it may be allied with the megacheirans like its apparent relative Dicranocaris. Unusually its head is not preserved...
- in a phylogenetic analysis recovered them as part of a polytomy with megacheirans, marrellomorphs, crustaceans and artiopodans. Still, strabopids are often...
- likely nested within megacheirans, and megacheirans was no longer thought to be originated from radiodonts since than. Within megacheirans, Parapeytoia possibly...
- Leanchoilia is a megacheiran arthropod known from Cambrian deposits of the Burgess Shale in Canada and the Chengjiang biota of China. L. superlata was...
- head shield, stalked eyes and five pairs of limbs, the first similar to megacheirans and the other four biramous with gnathobases, followed by a nine-segmented...
- Forfexicaris valida and megacheirans like Fortiforceps foliosa. Suggestions have been made that Occacaris is closely related to megacheirans, or to mandibulates...
- great appendage-like raptorial arms, it was not homologous with those of megacheirans, and was instead a member of Vicissicaudata, closely related to aglaspidids...