Gyrosigma attenuatum
https://pandorina.org/wp-content/uploads/2022/09/GYROSIGMA-ATTENUATUM_previz_1-1024x569.jpg 1024 569 Lerf Verona Lerf Verona https://secure.gravatar.com/avatar/1ef48c0645548077551524e6e9bb8f04?s=96&d=mm&r=gGyrosigma
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Gyrosigma