Aysheaia
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Aysheaia is an extinct genus of soft-bodied lobopodian, known from the Middle Cambrian Burgess Shale of British Columbia, Canada.
Fossil of A. pedunculata on display at NMNH
Reconstruction of A. pedunculata
Aysheaia pedunculata 2021
Tardigrade
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Tardigrades, also known as water bears or moss piglets, are a phylum of eight-legged segmented micro-animals. They were first described by the German zoologist Johann August Ephraim Goeze in 1773, who
Aysheaia
…until the fossil was redescribed in the late 1970s. In the 1970s, Whittington undertook a thorough redescription, and associated Aysheaia with the tardigrade lineage concept promoted a couple of years earlier by Delle Cave and Simonetta, and first proposed in 1958. Thus, his interpretation places Aysheaia…
Echiniscus insularis Figure 6
Shed cuticle of female tardigrade, containing eggs, each 50μm across
The 2007 FOTON-M3 mission carrying the BIOPAN astrobiology payload (illustrated) exposed tardigrades to vacuum, solar ultraviolet, or both, showing their ability to survive in the space environment.
The first drawing of a tardigrade, by Johann August Ephraim Goeze, 1773