Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC2633282/ A P2X receptor from the tardigrade species Hypsibius dujardini with fast kinetics and sensitivity... Orthologs of the vertebrate ATP gated P2X channels have been identified in Dictyostelium and green algae, demonstrating that the emergence of ionotropic... https://en.wikipedia.org/wiki/Hypsibius_dujardini Hypsibius dujardini - Wikipedia wikipedia https://ceb.wikipedia.org/wiki/Hypsibius_runae Hypsibius runae - Wikipedia wikipedia https://www.semanticscholar.org/topic/Hypsibius-dujardini/2568230 Hypsibius dujardini | Semantic Scholar semanticscholar