Conodont bioapatite resembles vertebrate enamel by XRD propertiesNemliher, Jüri; Kallaste, ToivoEstonian journal of earth sciences2012 / p. 191-192 https://artiklid.elnet.ee/record=b2533907*est Morphological variation suggests that chitinozoans may be fossils of individual microorganisms rather than metazoan eggsLiang, Yan; Bernardo, Joseph; Goldman, Daniel; Nõlvak, Jaak; Tang, Peng; Wang, Wenhui; Hints, OlleProceedings of the Royal Society B: Biological Sciences2019 / art. 20191270, 8 p. : ill https://doi.org/10.1098/rspb.2019.1270 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS New encrusting tentaculitoids from the Silurian of Estonia and taxonomic status of Anticalyptraea Quenstedt, 1867Zaton, Michal; Vinn, Olev; Toom, Ursula; Slowinski, JakubGFF2022 / p. 111-117 : ill., map https://doi.org/10.1080/11035897.2022.2042378 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS