New camerate crinoid genera from the Upper Ordovician (Katian) of Estonia: evolutionary origin of family Opsiocrinidae and a phylogenetic assessment of Ordovician MonobathridaCole, Selina R.; Toom, UrsulaJournal of systematic palaeontology2019 / p. 597-611 : ill https://doi.org/10.1080/14772019.2018.1447519 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS