https://digital.library.lse.ac.uk/Documents/Detail/vestigia-nulla-retrorsum/71355
Vestigia Nulla Retrorsum - LSE Digital Library
vestigianullalsedigitallibrary
https://nemys.ugent.be/aphia.php?p=taxdetails&id=228638
Nemys - Rhinema retrorsum Cobb, 1920
cobb