Organism group

Biota

Selection of related publications
Vinn, O., Nanglu, K., Wilson, M. A., Isakar, M., Toom, U. 2025. Ediacaran-type non-mineralized tube-dwelling organisms persisted into the early Cambrian (Terreneuvian) in Baltica. Gondwana Research 137, 29-35. DOI:10.1016/j.gr.2024.09.009
Vinn, O., Wilson, M. A., Madison, A., Toom, U. 2024. Small cornulitids from the Upper Ordovician (Katian) of Estonia. Palaeoworld 33, 1, 57-64. DOI:10.1016/j.palwor.2022.12.005
Vinn, O., Alkahtane, A. A., El Hedeny, M., Al Farraj, S., Toom, U. 2024. Earliest styliolinids from the Wenlock of Saaremaa Island (Estonia): paleoecological and evolutionary implications. Palaeoworld 33, 4, 899-904. DOI:10.1016/j.palwor.2023.09.004
Vinn, O., Wilson, M. A., Toom, U. 2024. A new genus and species of cornulitid tubeworm from the Hirnantian (Late Ordovician) of Estonia. Journal of Paleontology 98, 1, 1-7. DOI:10.1017/jpa.2023.90
Vinn, O., Wilson, M. A., Madison, A., Ernst, A., Toom, U. 2024. Dwarf cornulitid tubeworms from the Hirnantian (Late Ordovician) of Estonia. Historical Biology 1-6. DOI:10.1080/08912963.2024.2318796
Ebbestad, J. O. R., Cederström, P., Peel, J. S. 2024. Helcionelloid molluscs from the lower Cambrian (Series 2, Stage 4) of southern Sweden. Historical Biology 36, 9, 1854-1882. DOI:10.1080/08912963.2023.2234393
Rozhnov, S. V., Anekeeva, G. A. 2024. First Specimens of the Cornutan Stylophoran Phyllocystis (Echinodermata) in the Ordovician (Volkhov Regional Stage, Dapingian and Darriwilian) of Baltica and Special Aspects of Stylophoran Axial Symmetry. Paleontological Journal 58, 2, 181-195. DOI:10.1134/S0031030123600300
Ausich, W. I., Wilson, M. A., Toom, U. 2024. Early Silurian crinoid diversification on Baltica: Euspirocrinus varbolaensis sp. nov.. Estonian Journal of Earth Sciences 73, 1, 37-44. DOI:10.3176/earth.2024.05
Hints, L. 2024. Taxonomy of the Sandbian (Upper Ordovician) brachiopod Dalmanella kegelensis Alichova, 1953 and the new genus Alichovella. Estonian Journal of Earth Sciences 73, 1, 45-56. DOI:10.3176/earth.2024.06
Tonarová, P., Suttner, T., Hints, O., Liang, Y., Zemek, M., Kubajko, M., Zikmund, T., Kaiser, J., Kido, E. 2024. Late Ordovician scolecodonts and chitinozoans from the Pin Valley in Spiti, Himachal Pradesh, northern India. Acta Palaeontologica Polonica 69, 2, 199-215. DOI:https://doi.org/10.4202/app.01135.2024
Jeon, J., Toom, U. 2024. First report of an aulaceratid stromatoporoid from the Ordovician of Baltica. Estonian Journal of Earth Sciences 73, 2, 71-80. DOI:10.3176/earth.2024.07
Vinn, O., Almansour, M. I., Al Farraj, S., El Hedeny, M. 2024. The abundance of Arachnostega in trilobite molds remained unaffected by the climatic warming during the Ordovician in Baltica. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen DOI:10.1127/njgpa/2024/1204
Vinn, O., Ernst, A., Alkahtane, A. A., El Hedeny, M., Al Farraj, S. 2024. New cecidospecies of Anoigmaichnus in the cystoporate bryozoan Fistulipora przhidolensis from the upper Pridoli (Silurian) of Saaremaa Island, Estonia. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 312, 1, 101-107. DOI:10.1127/njgpa/2024/1202
Rozhnov, S. V. 2024. A possible archaic precursor of the octocoral structural plan from the Ordovician of Estonia. Papers in Palaeontology 10, 5, DOI:10.1002/spp2.1593
Peel, J. S. 2024. Musculature of an Ordovician (Darriwilian) patelliform gastropod from Estonia. GFF 145, 3-4, 113–122. DOI:10.1080/11035897.2023.2301542
Kazantseva, E. S., Koromyslova, A. V., Krutykh, A. A. 2024. A new species of Mucophyllum rugose coral encrusted by bryozoans, tentaculoid tubeworms, and tabulates from the upper Silurian of Saaremaa, Estonia. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 312, 3, 261-273. DOI:10.1127/njgpa/2024/1211
Weidner, T., Nielsen, A. T., Ebbestad, J. O: 2024. A new agnostoid from the Cambrian of Scandinavia Tomagnostella tullbergi n. sp. (Agnostidae) from the middle Cambrian Lejopyge laevigata Zone of Scandinavia. Bulletin of the Geological Society of Denmark 73, 193-198. DOI:10.37570/bgsd-2024-73-11
Vinn, O., Wilson, M. A., Isakar, M., Toom, U. 2024. Two high Value Geoheritage Sites on Sõrve Peninsula (Saaremaa Island, Estonia): A Window to the Unique Late Silurian Fauna. Geoheritage 16, 2, 53-68. DOI:10.1007/s12371-024-00957-7
Vinn, O., Holmer, L. E., Wilson, M. A. 2024. Evolution of brachiopod symbiosis in the early Paleozoic. Historical Biology 36, 7, 1274-1294. DOI:10.1080/08912963.2023.2212368
Knaust, D. 2024. The trace fossil Thalassinoides paradoxicus Kennedy, 1967 revisited from its type locality (Albian-Cenomanian chalk, SE England). Palaeogeography, Palaeoclimatology, Palaeoecology 634, 111913. DOI:10.1016/j.palaeo.2023.111913
Kershaw, S., Jeon, J. 2024. Stromatoporoids and extinctions: A review. Earth-Science Reviews 252, 104721. DOI:10.1016/j.earscirev.2024.104721
Männik, R. 2024. Siluri ajastu Lau sündmuse mõju mikrofossiilidele Bebirva 111 puuraugus Leedus [Bakalaureusetöö. Juhendajad: O. Hints ja T. Meidla]. pp. 1-54.
Vinn, O., Madison, A., Wilson, M. A., Toom, U. 2023. Cornulitid tubeworms and other calcareous tubicolous organisms from the Hirmuse Formation (Katian, Upper Ordovician) of northern Estonia. Journal of Paleontology 97, 1, 38–46. DOI:10.1017/jpa.2022.89
Komarov, V. N., Volkova, E. A., Kachalina, M. D. 2023. O nahodkah kraniid (Brahiopoda) na rakovinah venlokskih rinhonellid na o. Saaremaa (Èstoniâ) [О находках краниид (Брахиопода) на раковинах венлокских ринхонеллид на о. Сааремаа (Эстония)]. Bio-i geosobytiâ v istorii Zemli. Ètapnost' èvolûcii i stratigrafičeskaâ korrelâciâ. LXIX sessiâ paleontologičeskogo obŝestva, pp. 62-63. Kartafabrika VSEGEI.
Tolokonnikova, Z. A., Fedorov, P. V. 2023. Morphological features of Late Ordovician (Sandbian) bryozoans from the basin of Khrevitsa River (north-western Russia) and description of a new species of the genus Prophyllodictya Gorjunova, 1987. Zootaxa 5284, 2, 337-350. DOI:10.11646/zootaxa.5284.2.6
Wisshak, M., Neumann, C., Sanna, G., Nielsen, K., Milàn, J. 2023. Suspected foraminiferan parasitism on a Late Cretaceous echinoid host recorded by the new attachment trace fossil Solichnus aestheticus. Acta Palaeontologica Polonica 68, 1, 13-22. DOI:10.4202/app.01028.2022
Vinn, O., Wilson, M. A., Ernst, A., Toom, U. 2023. The Ordovician bioclaustration revolution. Geobios 81, 145-151. DOI:10.1016/j.geobios.2022.10.007
Kröger, B., Tinn, O., Rikkinen, J., Jolis, E. M., Butcher, A. R., Toom, U., Hints, O. 2023. Noncalcified dasyclad algae from the Vasalemma Formation, late Sandbian (Late Ordovician) of Estonia. Review of Palaeobotany and Palynology 318, 104970. DOI:10.1016/j.revpalbo.2023.104970
Ernst, A. 2023. New trepostome bryozoan genus from the Estonian Kukersite. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 307, 3, 249-259. DOI:10.1127/njgpa/2023/1124
Knaust, D., Dronov, A. V., Toom, U. 2023. Two almost‐forgotten Trypanites ichnospecies names for the most common Palaeozoic macroboring. Papers in Palaeontology 9, 3, e1491. DOI:10.1002/spp2.1491
Toom, U., Kuva, J., Knaust, D. 2023. Ichnogenus Trypanites in the Ordovician of Estonia (Baltica). Estonian Journal of Earth Sciences 72, 1, 106-109. DOI:10.3176/earth.2023.48
Toom, U., Kröger, B., Knaust, D. 2023. A Balanoglossites-Trypanites ichnofabric from the Upper Ordovician warm-water carbonates of Estonia. Following in the footsteps of Richard Granville Bromley. Abstracts and Field Guide, pp. 38-38.
Knaust, D., Dronov, A., Toom, U. 2023. Two almost forgotten Trypanites ichnospecies names for the most common Palaeozoic macroboring. Bio-i geosobytiâ v istorii Zemli. Ètapnost' èvolûcii i stratigrafičeskaâ korrelâciâ. LXIX sessiâ paleontologičeskogo obŝestva, pp. 59-59. Kartafabrika VSEGEI.
Skompski, S., Kozłowska, A., Kozłowski, W., Łuczyński, P. 2023. Coexistence of algae and a graptolite-like problematicum: a case study from the late Silurian of Podolia (Ukraine). Acta Geologica Polonica 73, 2, 115–133. DOI:10.24425/agp.2022.143599
Maletz, J. 2023. The Lower Ordovician (Tremadocian to Floian) graptolite fauna of Hunneberg, Västergötland, Sweden. Fossils and Strata 69, 1-140. Scandinavian University Press. DOI:10.18261/9788215070872-2023-01
Nützel, A., Ebbestad, J. O., Seuss, B., Munnecke, A., Mapes, R. H., Cook, A. G. 2023. On Paleozoic platycerate gastropods. Zitteliana 97, 29-51. DOI:10.3897/zitteliana.97.115688
Plax, D. P., Newman, M. J. 2023. Formal description of Valentinaspis profundus gen. et sp. nov., a placoderm fish and zone fossil from the Emsian of Belarus and Estonia. New Mexico Museum of Natural History & Science Bulletin 94, 525-532.
Paiste, T., Männik, P., Meidla, T. 2023. Emended Sandbian (Ordovician) conodont biostratigraphy in Baltoscandia and a new species of Amorphognathus. Geological Magazine 160, 3, 411-427. DOI:10.1017/S0016756822001005
Kazantseva, E. S. 2023. Co-Growth in Rugosa: Types, Morphology, Special Features and Origin. Paleontological Journal 57, 9, 931-1042. DOI:10.1134/S003103012309006X
Vinn, O., Alkahtane, A. A., El-Hedeny, M., Al Farraj, S., Isakar, M., Toom, U. 2023. Tentaculitids from the Silurian of Estonia. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 309, 2, 161-168. DOI:10.1127/njgpa/2023/1157
Hints, O., Tonarová, P. 2023. A diverse Hirnantian scolecodont assemblage from northern Estonia and resilience of polychaetes to the end-Ordovician mass extinction. Estonian Journal of Earth Sciences 72, 1, 46-49. DOI:10.3176/earth.2023.20
Nõlvak, J., Liang, Y., Hints, O. 2023. Latest Ordovician age of the Spinachitina fragilis Chitinozoan Biozone in Baltoscandia. Estonian Journal of Earth Sciences 72, 1, 82-85. DOI:10.3176/earth.2023.51
Männik, P., Nõlvak, J. 2023. Boundary between the Porkuni and Juuru regional stages in the Neitla section, Estonia. Estonian Journal of Earth Sciences 72, 1, 66-69. DOI:10.3176/earth.2023.52
Ernst, A. 2023. Ordovician Bryozoa of Estonia. Estonian Journal of Earth Sciences 72, 1, 127-127. DOI:10.3176/earth.2023.04
Kröger, B., Ernst, A., Penny, A., Nakrem, H. A., Toom, U. 2023. Diversity and spatial turnover of bryozoan assemblages in the reefs of the Vasalemma Formation (Late Ordovician), Estonia. Estonian Journal of Earth Sciences 72, 1, 137-137. DOI:10.3176/earth.2023.47
Hints, O., Ainsaar, L., Lepland, A., Liiv, M., Männik, P., Meidla, T., Nõlvak, J., Radzevičius, S. 2023. Paired carbon isotope chemostratigraphy across the Ordovician–Silurian boundary in central East Baltic: Regional and global signatures. Palaeogeography, Palaeoclimatology, Palaeoecology 624, 1-17. DOI:10.1016/j.palaeo.2023.111640
Burrow, C. J., Märss, T. 2022. Neotypes for some upper Silurian acanthodian taxa from the Baltic Sea Region and the Welsh Borderland. Estonian Journal of Earth Sciences 71, 1, 17-24. DOI:10.3176/earth.2022.02
Ernst, A. 2022. Bryozoan fauna from the Kunda Stage (Darriwilian, Middle Ordovician) of Estonia and NW Russia. Bulletin of Geosciences 97, 1, 33–68. DOI:10.3140/bull.geosci.1843
Zatoń, M., Vinn, O., Toom, U., Słowiński, J. 2022. New encrusting tentaculitoids from the Silurian of Estonia and taxonomic status of Anticalyptraea Quenstedt, 1867. GFF 144, 2, 111-117. DOI:10.1080/11035897.2022.2042378
Nõlvak, J., Liang, Y., Hints, O. 2022. Early and early Middle Ordovician chitinozoans from the Baldone drill core, central Latvia. Estonian Journal of Earth Sciences 71, 1, 25-43. DOI:10.3176/earth.2022.03
Baarli, B. G. 2022. The smooth, spire-bearing brachiopods after the terminal Ordovician extinction through lower Llandovery in the central Oslo region, Norway. Journal of Paleontology 96, 1, 81-111. DOI:10.1017/jpa.2021.72
Hints, L., Pärnaste, H., Männik, P., Reich, M., Rozhnov, S. 2022. Development of faunal diversity during the late Llandovery–early Wenlock in the easternmost part of the Baltic Palaeobasin – implications for the Ireviken Event. Estonian Journal of Earth Sciences 71, 2, 89-110. DOI:10.3176/earth.2022.07
Aubrechtová, M., Korn, D. 2022. Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician). European Journal of Taxonomy 799, 1-108. DOI:10.5852/ejt.2022.799.1681
Slater, B. J., Bohlin, M. S. 2022. Animal origins: The record from organic microfossils. Earth-Science Reviews 232, 104107. DOI:10.1016/j.earscirev.2022.104107
Melnikova, L. M., Mirantsev, G. V., Terentiev, S. S., Anekeeva, G. A. 2022. Ostracods of the Gryazno Formation (Upper Ordovician, Sandbian Stage and Idavere Regional Stage) in the West of Leningrad Region. Paleontological Journal 56, 5, 510-525. DOI:10.1134/S0031030122050082
Ivanov, A. 2022. New ptyctodontid placoderm from the Famennian (Upper Devonian) of European Russia. Biological Communications 67, 4, 247–252. DOI:10.21638/spbu03.2022.401
Ernst, A., Tolokonnikova, Z. 2022. Unusual cystoporate? bryozoan from the Upper Ordovician of Siljan District, Dalarna, central Sweden. GFF 144, 3-4, 210-219. DOI:10.1080/11035897.2023.2223579
Matysik, M., Stachacz, M., Knaust, D., Whitehouse, M. J. 2022. Geochemistry, ichnology, and sedimentology of omission levels in Middle Triassic (Muschelkalk) platform carbonates of the Germanic Basin (southern Poland). Palaeogeography, Palaeoclimatology, Palaeoecology 585, 110732. DOI:10.1016/j.palaeo.2021.110732
Suárez Andrés, J. L., Sendino, C., Wilson, M. A. 2022. Caupokeras badalloi, a new ichnospecies of impedichnia from the Lower Devonian of Spain. Palaeoecological significance. Historical Biology 34, 1, 62-66. DOI:10.1080/08912963.2021.1893716
Knaust, D., Mikuláš, R., Mángano, M., Netto, R., Buatois, L. 2022. The ichnospecies Tambia gregaria (Fritsch, 1908) comb. nov. from the Upper Ordovician of Czechia. Bulletin of Geosciences 97, 2, 165-177. DOI:10.3140/bull.geosci.1846
Vachard, D., Bucur, I. I., Munnecke, A. 2022. Vitinellopsis nov. gen., a new calcareous alga (Chlorophyta, Bryopsidales) from the Silurian of Gotland (Sweden), and the tribe Vitinelleae nov. nom. Geobios 70, 75-85. DOI:10.1016/j.geobios.2021.10.001
Vinn, O., Wilson, M. A., Holmer, L. E., Ernst, A., Tinn, O., Toom, U. 2022. Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia. Palaeontologia Electronica 25, 3, 1-13. DOI:10.26879/1232
Märss, T., Wilson, M. V., Viljus, M. 2022. Endolymphatic structures in headshields of the osteostracan genus Tremataspis (Agnatha) from the Silurian of Estonia. Estonian Journal of Earth Sciences 71, 3, 135-156. DOI:10.3176/earth.2022.10
Sheffield, S. L., Lam, A. R., Phillips, S. F., Deline, B. 2022. Morphological Dynamics and Response Following the Dispersal of Ordovician–Silurian Diploporan Echinoderms to Laurentia. Contributions from the Museum of Paleontology, University of Michigan 34, 9, 123-140. DOI:10.7302/4375
Vinn, O., Ernst, A., Wilson, M. A., Toom, U. 2022. Symbiosis in trepostome bryozoans from the Sandbian (Late Ordovician) of Estonia. Historical Biology 34, 6, 1029-1038. DOI:10.1080/08912963.2021.1959579
Zapalski, M. K., Vinn, O., Toom, U., Ernst, A., Wilson, M. A. 2022. Bryozoan–cnidarian mutualism triggered a new strategy for greater resource exploitation as early as the Late Silurian. Scientific Reports 12, number: 15556. DOI:10.1038/s41598-022-19955-2
Zapalski, M. K., Król, J. J., Halamski, A. T., Wrzołek, T., Rakociński, M., Baird, A. H. 2022. Coralliths of tabulate corals from the Devonian of the Holy Cross Mountains (Poland). Palaeogeography, Palaeoclimatology, Palaeoecology 585, 110745. DOI:10.1016/j.palaeo.2021.110745
Vinn, O., Wilson, M. A., Madison, A., Kazantseva, E., Toom, U. 2022. First symbiotic association between hederelloids and rugose corals (latest Silurian of Saaremaa, Estonia). Palaios 37, 7, 368-373. DOI:10.2110/palo.2022.005
Jeon, J., Vinn, O., Liang, K., Zapalski, M. K., Toom, U., Kershaw, S. 2022. Stromatoporoid-coral/tubeworm intergrowths in the lowermost Silurian Varbola Formation of Estonia: first evidence of competitive interaction. Lethaia 55, 2, 1-13. DOI:10.18261/let.55.2.4
Liang, Y., Nõlvak, J., Xu, H., Chen, Y., Hints, O. 2022. Revision of Ordovician chitinozoan Lagenochitina esthonica sensu lato: morphometrics, biostratigraphy and paleobiogeography. Journal of Paleontology 96, 1, 46-60. DOI:10.1017/jpa.2021.79
Du, M., Nõlvak, J., Tan, J., Gao, S., Wang, W. 2022. Melanosclerites from the Late Ordovician to earliest Silurian of Estonia and their palaeogeographical implications. Palynology 46, 3, 1-16. DOI:10.1080/01916122.2021.2012538
Paiste, T., Männik, P., Meidla, T. 2022. Sandbian (Late Ordovician) conodonts in Estonia: distribution and biostratigraphy. GFF 1-15. DOI:10.1080/11035897.2021.2020333
Thompson, J. R., Cotton, L. J., Candela, Y., Kutscher, M., Reich, M., Bottjer, D. J. 2022. The Ordovician diversification of sea urchins: systematics of the Bothriocidaroida (Echinodermata: Echinoidea). Journal of Systematic Palaeontology 19, 20, 1395-1448. DOI:10.1080/14772019.2022.2042408
Semenov, N. K., Terentyev, S. S., Mirantsev, G. V., Rozhnov, S. V. 2021. A New Hybocrinid Genus (Echinodermata, Crinoidea) from the Middle Ordovician of Ladoga Glint on the Volkhov River. Paleontological Journal 55, 1, 54-63. DOI:10.1134/S0031030121010123
Knaust, D. 2021. Rosselichnidae ifam. nov.: burrows with concentric, spiral or eccentric lamination. Papers in Palaeontology 7, 4, 1847-1875. DOI:10.1002/spp2.1367
Devaere, L., Skovsted, C. B. 2021. The youngest known tommotiid: Lapworthella bornholmiensis (Poulsen, 1942) from Cambrian Stage 4 to Guzhangian (Miaolingian) strata of Bornholm and southern Sweden. GFF 143, 2-3, 151-167. DOI:10.1080/11035897.2021.1913761
Skovsted, C. B., Topper, T. P., McLoughlin, S., Johansson, O., Liu, F., Vajda, V. 2021. First discovery of Small Shelly Fossils and new occurrences of brachiopods and trilobites from the early Cambrian (Stage 4) of the Swedish Caledonides, Lapland. GFF 143, 2-3, 134-150. DOI:10.1080/11035897.2021.1895303
Rasmussen, J. A., Eriksson, M. E., Lindskog, A. 2021. Middle Ordovician Drepanoistodus (Vertebrata, Conodonta) from Baltica, with description of three new species. European Journal of Taxonomy 774, 106–134. DOI:10.5852/ejt.2021.774.1533
Golubkova, E. Y., Bobrovskiy, I. M., Kushim, E. A., Plotkina, Y. V. 2021. Fossil Organisms of the Redkino Regional Stage of the Upper Vendian of the Northwestern Russian Platform (Leningrad Region). Paleontological Journal 55, 5, 579-587. DOI:10.1134/S0031030121050051
Baarli, B. G. 2021. Plectatrypinae and other ribbed atrypides succeeding the end Ordovician extinction event, Central Oslo Region, Norway. Journal of Paleontology 95, 1, 75-105. DOI:10.1017/jpa.2020.69
Ivantsov, A., Zakrevskaya, M. 2021. Dickinsonia: mobile and adhered. Geological Magazine 1-16. DOI:10.1017/S0016756821000194
Ivantsov, A. Yu., Zakrevskaya, M. A. 2021. Trilobozoa, Precambrian Tri-Radial Organisms. Paleontological Journal 55, 7, 727-741. DOI:10.1134/S0031030121070066
Rozhnov, S. V. 2021. Two Coils in the Morphology of Myelodactylids (Crinoidea, Disparida): the Morphogenetic Basis of Their Formation and Adaptation Potential. Paleontological Journal 55, 9, 993-1012. DOI:10.1134/S0031030121090124
Vinn, O., Wilson, M. A. 2021. Evolutionary History of Colonial Organisms as Hosts and Parasites. The Evolution and Fossil Record of Parasitism, pp. 99-119. Springer International Publishing. DOI:10.1007/978-3-030-52233-9_4
Maletz, J., Ahlberg, P. 2021. Dapingian to lower Darriwilian (Middle Ordovician) graptolite biostratigraphy and correlation of the Krapperup drill core, Scania, Sweden. GFF 143, 1, 16-39. DOI:10.1080/11035897.2020.1822439
Koromyslova, A. V., Fedorov, P. V. 2021. The oldest bifoliate cystoporate and two other bryozoan taxa from the Dapingian (Middle Ordovician) of north-western Russia. Journal of Paleontology 95, 1, 24-39. DOI:10.1017/jpa.2020.73
Baarli, B. G. 2021. Survival and recovery atrypid fauna following the terminal Ordovician extinction, the Atrypinae: central Oslo Region, Norway. Historical Biology 33, 3, 403-440. DOI:10.1080/08912963.2019.1620228
Stachacz, M., Knaust, D., Matysik, M. 2021. Middle Triassic bivalve traces from central Europe (Muschelkalk, Anisian): overlooked burrows of a common ichnofabric. Paläontologische Zeitschrift 96, 175-196. DOI:10.1007/s12542-021-00583-6
Grytsenko, V. 2021. Some new ichnospecies stored in the Geological Department of the National Museum of Natural History, NAS of Ukraine. Geo&Bio 20, 29-35. DOI:10.15407/gb2004
Hints, O., Nõlvak, J., Liang, Y. 2021. Possible metazoan egg fossils from the Darriwilian (Middle Ordovician) of Baltoscandia. Estonian Journal of Earth Sciences 70, 4, 240-252. DOI:10.3176/earth.2021.16
Kazantseva, E. S. 2021. Pseudocolonies of Silurian Rugoses Microplasma schmidti Dybowski from Estonia: Morphology and Origin. Paleontological Journal 55, 5, 469-476. DOI:10.1134/S0031030121050075
Kröger, B., Vinn, O., Toom, U., Corfe, I. J., Kuva, J., Zatoń, M. 2021. On the enigma of Palaenigma wrangeli (Schmidt), a conulariid with a partly non-mineralized skeleton. PeerJ 9, e12374. DOI:/10.7717/peerj.12374
Paul, C. R. C., Toom, U. 2021. The diploporite blastozoan Glyptosphaerites (Echinodermata: Blastozoa) and the origin of diplopores. Estonian Journal of Earth Sciences 70, 4, 224-239. DOI:10.3176/EARTH.2021.15
Bremer, O., Qu, Q., Sanchez, S., Märss, T., Fernandez, V., Blom, H. 2021. The emergence of a complex pore‐canal system in the dermal skeleton of Tremataspis (Osteostraci). Journal of Morphology 282, 8, 1141-1157. DOI:10.1002/jmor.21359
Vinn, O., Ernst, A., Wilson, M. A., Toom, U. 2021. Symbiosis of cornulitids with the cystoporate bryozoan Fistulipora in the Pridoli of Saaremaa, Estonia. Lethaia 54, 1, 90-95. DOI:10.1111/let.12385
Cole, S. R., Ausich, W. I., Wilson, M. A. 2021. A Hirnantian holdover from the Late Ordovician mass extinction: phylogeny and biogeography of a new anthracocrinid crinoid from Estonia. Papers in Palaeontology 7, 2, 1195-1204. DOI:10.1002/spp2.1345
Paul, C. R. C., Toom, U. 2021. Cystoblastus and the origin of the Hemicosmitoida (Echinodermata: Blastozoa). Estonian Journal of Earth Sciences 70, 3, 165-181. DOI:10.3176/earth.2021.13
Vinn, O., Ernst, A., Wilson, M., Toom, U. 2021. Intergrowth of bryozoans with other invertebrates in the Late Pridoli of Saaremaa, Estonia. Annales Societatis Geologorum Poloniae 91, 2, 101-111. DOI:10.14241/asgp.2021.04
Burrow, C. 2021. Handbook of Paleoichthyology. Vol. 5. Acanthodii, Stem Chondrichthyes. pp. 1-171. Verlag Dr Friedrich Pfeil.
Vinn, O., Holmer, L. E., Wilson, M. A., Isakar, M., Toom, U. 2021. Possible drill holes and pseudoborings in obolid shells from the Cambrian/Ordovician boundary beds of Estonia and the uppermost Cambrian of NW Russia. Historical Biology 33, 12, 3579–3584. DOI:10.1080/08912963.2021.1878355
List of species
2. ?Becscia pentagona Baarli, 2022 | Hirnantian→Rhuddanian
3. ?Cymatiogalea procuvillieri Paalits, 1995 | Upper Cambrian (old nomenclature)
18. Acanthoceramoporella brestica Pushkin, 2002 | Uhaku Stage→Idavere Substage
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Map shows only the first 1000 localities

Classification
Organism groupBiota
DomainEubacteria
Ichnofossil groupIchnofossils
KingdomAnimalia
Plantae
Organism groupIncertae sedis (fossils)
Protista
ClassCrinoidea
unrankedArchaeochitosa