A new Byronia species from the Late Ordovician of EstoniaVinn, Olev; Kirsimäe, Kalle; Parry, Luke A.; Toom, UrsulaEstonian journal of earth sciences2016 / p. 201-206 : ill https://doi.org/10.3176/earth.2016.17 On the enigma of Palaenigma wrangeli (Schmidt), a conulariid with a partly non-mineralized skeletonKröger, Björn; Vinn, Olev; Toom, Ursula; Corfe, Ian J.; Kuva, Jukka; Zaton, MichalPeerJ2021 / Art. e12374 https://doi.org/10.7717/peerj.12374 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS