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Aaveqaspis
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・ Aaviku, Lääne-Viru County
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Aaveqaspis : ウィキペディア英語版
Aaveqaspis

''Aaveqaspis'' is a genus of small (about long) marine arthropods of unclear affiliation, that lived during the early Cambrian period. Fossil remains of ''Aaveqaspis'' were collected from the Lower Cambrian Sirius Passet fossil-Lagerstätte of North Greenland. ''Aaveqaspis'' looks like a soft eyeless trilobite with a weakly defined axis, a headshield (or cephalon) with stubby genal spines, 5 thorax segments also ending in stubby genal spines, and a tailshield (pygidium) with a pair of massive tusk-like spines, and two smaller spines near the end of the axis. The only species presently known is ''A. inesoni'' (i.e. the genus is monotypic).
== Etymology ==
The name of the genus is a compound of the Greenlandic word ' (walrus), reflecting the likeness of the tail spines to the tusks of a walrus, and the Greek word ' (shield). The species was named after Jon R. Ineson to honour him for his studies of the Cambrian of North Greenland.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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