Conch structures, soft-tissue imprints and taphonomy of the Middle Ordovician cephalopod Tragoceras falcatum from EstoniaPohle, Alexander; Klug, Christian; Toom, Ursula; Kröger, BjörnFossil Imprint2019 / p. 70-78 : ill https://doi.org/10.2478/if-2019-0006 Journal metrics at Scopus Article at Scopus

Conodont biostratigraphy and carbon isotope stratigraphy of the Middle Ordovician (Darriwilian) Komstad Limestone, southern SwedenWu, Rong-Chang; Calner, Mikael; Lehnert, Oliver; Lindskog, Anders; Joachimski, Michael M.GFF2018 / p. 44-54 : ill https://doi.org/10.1080/11035897.2018.1435561 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

A crustoid graptolite lithoimmured inside a Middle Ordovician nautiloid conch from Northern EstoniaVinn, Olev; Wilson, Mark A.; Toom, UrsulaAnnales societatis geologorum Poloniae2019 / p. 285-290 : ill https://doi.org/10.14241/asgp.2019.17 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Darriwilian (Middle Ordovician) conodont biostratigraphy in NW EstoniaHints, Olle; Viira, Viive; Nõlvak, JaakEstonian journal of earth sciences2012 / p. 210-226 : ill https://kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2012/issue_4/earth-2012-4-210-226.pdf

Early diversification of Ordovician chitinozoans on Baltica : New data from the Jägala waterfall section, northern EstoniaNõlvak, Jaak; Liang, Yan; Hints, OllePalaeogeography, palaeoclimatology, palaeoecology2019 / p. 14-24 : ill https://doi.org/10.1016/j.palaeo.2019.04.002 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

High-resolution trilobite stratigraphy of the Lower–Middle Ordovician Öland Series of BaltoscandiaPärnaste, Helje; Bergström, Jan; Zhiyi, ZhouGeological magazine2012 / p. 1-10 : ill https://pubs.geoscienceworld.org/geolmag/article-abstract/150/3/509/299539/High-resolution-trilobite-stratigraphy-of-the

Possible metazoan egg fossils from the Darriwilian (Middle Ordovician) of BaltoscandiaHints, Olle; Nõlvak, Jaak; Liang, YanEstonian journal of earth sciences2021 / p. 240-252 : ill https://doi.org/10.3176/earth.2021.16 Journal metrics at Scopus Article at Scopus

Revision of the concept of the orthide brachiopod Cyrtonotella in the Middle Ordovician of the East BalticHints, LindaEstonian journal of earth sciences2014 / p. 63-70 : ill https://artiklid.elnet.ee/record=b2673722*est

Stratigraphy and facies differences of the Middle Darriwilian Isotopic Carbon Excursion (MDICE) in BaltoscandiaAinsaar, Leho; Tinn, Oive; Dronov, Andrei V.; Kiipli, Enli; Radzevičius, Sigitas; Meidla, TõnuEstonian journal of earth sciences2020 / p. 214–222 https://doi.org/10.3176/earth.2020.16 http://www.ester.ee/record=b2246661*est Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS