The earliest giant Osprioneides borings from the sandbian (late ordovician) of EstoniaVinn, Olev; Wilson, Mark A.; Mõtus, Mari-AnnPLoS ONE2014 / art. e99455, 6 p. : ill https://doi.org/10.1371/journal.pone.0099455 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS