Ichnofossils
Ichnofossil group

Ichnofossils

Ichnofossils

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Selection of related publications
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
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.
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
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
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
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
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
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
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
Mergl, M. 2020. Dendritic microborings in brachiopod shells from the Silurian of the Barrandian area, Czech Republic.Bulletin of Geosciences , 319-332. DOI:10.3140/bull.geosci.1793
Heřmanová, Z., Bruthansová, J., Holcová, K., Mikuláš, R., Kočová Veselská, M., Kočí, T., Dudák, J., Vohník, M. 2020. Benefits and limits of x-ray micro-computed tomography for visualization of colonization and bioerosion of shelled organisms.Palaeontologia Electronica , 23.2.23A. DOI:10.26879/1048
Knaust, D. 2020. Sulcolithos variabilis igen. et isp. nov.: grooves on firm and hard bedding surfaces.Paläontologische Zeitschrift 94 , 1,195-206. DOI:10.1007/s12542-019-00464-z
Vallon, L. H., Milàn, J., Rindsberg, A. K., Madsen, H., Rasmussen, J. A. 2020. Cutting-edge technology: burrows lined with sponge bioclasts from the Upper Cretaceous of Denmark.Ichnos 27 , 3,317-325. DOI:10.1080/10420940.2020.1744581
Knaust, D. 2020. Rhizocorallites Müller, 1955 from the Triassic and Jurassic of Germany: burrow, coprolite, or cololite?.Paläontologische Zeitschrift 94 , 4,769-785. DOI:10.1007/s12542-019-00506-6
Knaust, D., Dorador, J., Rodríguez-Tovar, F. J. 2020. Burrowed matrix powering dual porosity systems – A case study from the Maastrichtian chalk of the Gullfaks Field, Norwegian North Sea.Marine and Petroleum Geology 113 , 104158. DOI:10.1016/j.marpetgeo.2019.104158
Toom, U., Vinn, O., Isakar, M., Madison, A., Hints, O. 2020. Small faecal pellets in Ordovician shelly fossils from Estonia, Baltoscandia.Estonian Journal of Earth Sciences 69 , 1,1-19. DOI:10.3176/earth.2020.01
Wisshak, M., Hüne, L. 2019. The new encrusting microproblematicum Circumpodium enigmaticum and its attachment trace Circumpodichnus serialis from the Middle Jurassic of Normandy (France).Fossil Record 22 , 2,77-90. DOI:10.5194/fr-22-77-2019
Knaust, D. 2019. The enigmatic trace fossil Tisoa de Serres, 1840.Earth-Science Reviews 188 , 123-147. DOI:10.1016/j.earscirev.2018.11.001
Toom, U., Vinn, O., Hints, O. 2019. Ordovician and Silurian ichnofossils from carbonate facies in Estonia: A collection-based review.Palaeoworld 28 , 1-2,123-144. DOI:10.1016/j.palwor.2018.07.001
Vinn, O., Wilson, M. A., Toom, U. 2019. Earliest Petroxestes borings from Sandbian (earliest Late Ordovician) of Northern Estonia.Palaios 34 , 10,453-457. DOI:10.2110/palo.2019.054
Uchman, A., Stachacz, M., Salamon, K. 2018. Spirolites radwanskii n. igen. n. isp.: vermetid gastropod attachment etching trace from the middle Miocene rocky coast of the Paratethys, Poland.Journal of Paleontology 92 , 5,883-895. DOI:10.1017/jpa.2017.95
Egenhoff, S., Maletz, J., Ahlberg, P., Mast, A., Frisk, Å. M., Ebbestad, J. O. R., Newby, W. 2018. Sedimentology of the Lower Ordovician (upper Tremadocian) Bjørkåsholmen Formation at Flagabro, southern Sweden.GFF 140 , 1,55-65. DOI:10.1080/11035897.2018.1445777
Vinn, O., Toom, U. 2018. First description of rare Teichichnus burrows from carbonate rocks of the Lower Paleozoic of Estonia.Carnets de Géologie 18 , 13,305-312. DOI:10.4267/2042/68550
Knaust, D., Minter, N. J. 2018. The fish swimming trace Undichna unisulca from the Silurian of Sweden: probably the oldest vertebrate locomotion trace fossil.Lethaia 51 , 4,469-472. DOI:10.1111/let.12272
Laing, B. A., Buatois, L. A., Mángano, M. G., Narbonne, G. M., Gougeon, R. C. 2018. Gyrolithes from the Ediacaran-Cambrian boundary section in Fortune Head, Newfoundland, Canada: Exploring the onset of complex burrowing.Palaeogeography, Palaeoclimatology, Palaeoecology 495 , 171-185. DOI:10.1016/j.palaeo.2018.01.010
Wisshak, M., Titschak, J., Kahl, W.-A., Girod, P. 2017. Classical and new bioerosion trace fossils in Cretaceous belemnite guards characterised via micro-CT.Fossil Record 20 , 2,173-199. DOI:10.5194/fr-20-173-2017
Porter, S. M. 2016. Tiny vampires in ancient seas: evidence for predation via perforation in fossils from the 780–740 million-year-old Chuar Group, Grand Canyon, USA.Proceedings of the Royal Society 283 , 1831,185-195. DOI:10.1098/rspb.2016.0221
Hanken, N.-M., Uchman, A., Nielsen, J. K., Olaussen, S., Eggebø, T., Steinsland, R. 2016. Late Ordovician trace fossils from offshore to shallow water mixed siliciclastic and carbonate facies in the Ringerike Area, Oslo Region, Norway.Ichnos 23 , 3-4,189-221. DOI:10.1080/10420940.2016.1199427
Hoffmann, R., Grimmberger, G., Knaust, D. 2016. Tubichnus angulatus- A Complex Burrow System from Erratic Boulders of Early Cambrian Age, Northeast Germany and South Sweden.Ichnos 23 , 1-2,116-125. DOI:10.1080/10420940.2015.1132214
Vinn, O., Toom, U. 2016. Borings in phosphatized Cambrian siltstone pebbles, Estonia (Baltica).Geological Magazine 153 , 4,635-642. DOI:10.1017/S001675681500076X
Vinn, O., Toom, U. 2016. Bioerosion of inorganic hard substrates in the Silurian of Estonia (Baltica).GFF 138 , 2,306-310. DOI:10.1080/11035897.2015.1076513
Vinn, O., Toom, U. 2016. A sparsely encrusted hardground with abundant Trypanites borings from the Llandovery of the Velise River, western Estonia (Baltica).Estonian Journal of Earth Sciences 65 , 1,19-26. DOI:10.3176/earth.2016.01
Vinn, O., Toom, U. 2016. Rare arthropod traces from the Ordovician and Silurian of Estonia (Baltica).Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 280 , 2,135-141. DOI:10.1127/njgpa/2016/0570
Vinn, O., Wilson, M. A., Toom, U. 2015. Bioerosion of Inorganic Hard Substrates in the Ordovician of Estonia (Baltica).PLOS ONE 10 , 7,e0134279. DOI:10.1371/journal.pone.0134279
Vinn, O., Wilson, M. A., Ausich, W., Toom, U. 2015. Tremichnus in crinoid pluricolumnals from the Silurian of western Estonia (Baltica).Carnets de Géologie 15 , 17,239-243. DOI:10.4267/2042/57951
Knaust, D. 2015. Siphonichnidae (new ichnofamily) attributed to the burrowing activity of bivalves: Ichnotaxonomy, behaviour and palaeoenvironmental implications.Earth-Science Reviews 150 , 497-519. DOI:10.1016/j.earscirev.2015.07.014
Vinn, O., Wilson, M. A., Toom, U. 2015. Distribution of Conichnus and Amphorichnus in the Lower Paleozoic of Estonia (Baltica).Carnets de Géologie 15 , 19,269-278. DOI:10.4267/2042/58180
Knaust, D. 2015. Trace fossils from the continental Upper Triassic Kågeröd Formation of Bornholm, Denmark.Annales Societatis Geologorum Poloniae 85 , 3,481–492. DOI:10.14241/asgp.2015.031
Vinn, O., Toom, U. 2015. The trace fossil Zoophycos from the Silurian of Estonia.Estonian Journal of Earth Sciences 64 , 4,284-288. DOI:10.3176/earth.2015.34
Vinn, O., Wilson, M. A., Mõtus, M. 2014. The Earliest Giant Osprioneides Borings from the Sandbian (Late Ordovician) of Estonia.PLOS ONE 9 , 6,1-6. DOI:10.1371/journal.pone.0099455
Santos, A., Mayoral, E., Villas, E., Herrera, Z., Ortega, G. 2014. First record of Podichnus in orthide brachiopods from the Lower Ordovician (Tremadocian) of NW Argentina and its relation to the early use of an ethological strategy.Palaeogeography, Palaeoclimatology, Palaeoecology 399 , 1,67-77. DOI:10.1016/j.palaeo.2014.02.003
Vinn, O., Toom, U. 2014. First record of the trace fossil Oikobesalon from the Ordovician (Darriwilian) of Baltica.Estonian Journal of Earth Sciences 63 , 2,118-121. DOI:10.3176/earth.2014.11
Vinn, O., Wilson, M., Zatoń, M., Toom, U. 2014. The trace fossil Arachnostega in the Ordovician of Estonia (Baltica).Palaeontologia Electronica 17 , 17.3.40A,1-9. DOI:10.26879/477
Vinn, O. 2014. Cruziana traces from the Late Silurian (Pridoli) carbonate shelf of Saaremaa, Estonia.Estonian Journal of Earth Sciences 63 , 2,71-75. DOI:10.3176/earth.2014.06
Donovan, S. K. 2013. A distinctive bioglyph and its producer: Recent Gastrochaenolites Leymerie in a peat pebble, North Sea Coast of The Netherlands.Ichnos 20 , 3,109-111. DOI:10.1080/10420940.2013.798318
Knaust, D., Dronov, A. 2013. Balanoglossites ichnofabrics from the Middle Ordovician Volkhov formation (St. Petersburg Region, Russia).Stratigraphy and Geological Correlation 21 , 3,265-279. DOI:10.1134/S0869593813030040
Mikuláš, R., Meškis, S., Ivanov, A., Lukševičs, E., Zupinš, I., Stinkulis, G. 2013. A rich ichnofossil assemblage from the Frasnian (Upper Devonian) deposits at Andoma Hill, Onega Lake, Russia.Bulletin of Geosciences 88 , 2,389-400. DOI:10.3140/bull.geosci.1358
Jensen, S., Buatois, L. A., Mángano, M. G. 2013. Testing for palaeogeographical patterns in the distribution of Cambrian trace fossils.Geological Society, London, Memoirs 38 , 1,45-58. Early Palaeozoic Biogeography and Palaeogeography , pp. 45-58. DOI:10.1144/M38.5
Ivantsov, A. Yu. 2013. Trace fossils of precambrian metazoans “Vendobionta” and “Mollusks”.Stratigraphy and Geological Correlation 21 , 3,252-264. DOI:10.1134/S0869593813030039
Vinn, O., Wilson, M. A. 2013. An event bed with abundant Skolithos burrows from the late Pridoli (Silurian) of Saaremaa (Estonia).Carnets de Géologie 13 , 2,83-87. DOI:10.4267/2042/49316
Stachacz, M. 2012. New finds of Rusophycus from the lower Cambrian Ociesęki Sandstone Formation (Holy Cross Mountains, Poland).Geological Quarterly 56 , 2,237-248. DOI:10.7306/gq.1018
Vinn, O., Wilson, M. A. 2012. Encrustation and bioerosion on late Sheinwoodian (Wenlock, Silurian) stromatoporoids from Saaremaa, Estonia.Carnets de Géologie 12 , 2,183-191. DOI:10.4267/2042/47551
Mángano, M. G., Buatois, L. A. 2011. Timing of infaunalization in shallow-marine early Paleozoic communities in Gondwanan settings: discriminating evolutionary and paleogeographic controls.Palaeontologia Electronica 14 , 2,1-21.
Ivantsov, A. Yu. 2011. Feeding traces of proarticulata—the Vendian metazoa.Paleontological Journal 45 , 3,237-248. DOI:10.1134/S0031030111030063
Loydell, D. K. (ed) 2011. Siluria Revisited: Programme and Abstracts. International Subcommission on Silurian Stratigraphy.
Vinn, O., Wilson, M. A. 2010. Occurrence of Giant Borings of Osprioneides kampto in the Lower Silurian (Sheinwoodian) Stromatoporoids of Saaremaa, Estonia.Ichnos 17 , 3,166-171. DOI:10.1080/10420940.2010.502478
Vinn, O., Wilson, M. A. 2010. Early large borings in a hardground of Floian-Dapingian age (Early and Middle Ordovician) in northeastern Estonia (Baltica).Carnets de Géologie 10 , le,1-4. DOI:10.4267/2042/35594
Dronov, A. V. 2010. Morphological variations of vertical borings and burrows from the Ordovician of East Baltic: ichnotaxonomical implications.IV Workshop on Ichnotaxonomy. Abstracts , pp. 31-32.
Schallreuter, R., Hinz-Schallreuter, I. 2010. Schwarze Wurmröhren aus silurischen Kalkgeschieben.Geschiebekunde aktuell 26 , 1-8.
Uchman, A. 2010. A new ichnogenus Skolichnus for Chondrites hoernesii Ettingshausen, 1863, a deep-sea radial trace fossil from the Upper Cretaceous of the Polish Flysch Carpathians: Its taxonomy and palaeoecological interpretation as a deep-tier chemichnion.Cretaceous Research 31 , 5,515-523. DOI:10.1016/j.cretres.2010.07.002
Pacześna, J. 2010. Ichnological record of the activity of Anthozoa in the early Cambrian succession of the Upper Silesian Block (southern Poland).Acta Geologica Polonica 60 , 1,93-103.
Vinn, O., Wilson, M.A . 2010. Microconchid-dominated hardground association from the late Přidoli (Silurian) of Saaremaa, Estonia.Palaeontologia Electronica 13 , 2; 9A,1-12.
Koromyslova, A. V., Fedorov, P. V., Ershova, V. B. 2009. New records of bryozoans from the Lower Ordovician of the Leningrad Region and intercolonial variability in Esthoniopora lessnikowae (Modzalevskaya).Paleontological Journal 43 , 2,153-161. DOI:10.1134/S0031030109020051
Uchman, A., Kazakauskas, V., Gaigalas, A. 2009. Trace fossils from Late Pleistocene varved lacustrine sediments in eastern Lithuania.Palaeogeography, Palaeoclimatology, Palaeoecology 272 , 199-211. DOI:10.1016/j.palaeo.2008.08.003
Beuck, L., Wisshak, M., Munnecke, A., Freiwald, A. 2008. A Giant Boring in a Silurian Stromatoporoid Analysed by Computer Tomography.Acta Palaeontologica Polonica 53 , 1,149-160. DOI:10.4202/app.2008.0111
Neumann, C., Wisshak, M., Bromley, R. G. 2008. Boring a mobile domicile: an alternative to the conchicolous life habit.Current Developments in Bioerosion , pp. 307-327. DOI:10.1007/978-3-540-77598-0_16
Sørensen, A.M., Surlyk, F. 2008. A brachiopod boring (Podichnus) in a Late Cretaceous oyster from a mangrove-like environment, Skåne, Sweden.Lethaia 41 , 3,295–298. DOI:10.1111/j.1502-3931.2008.00107.x
Robinson, J. H., Lee, D. E. 2008. Brachiopod pedicle traces: recognition of three separate types of trace and redefinition of Podichnus centrifugalis Bromley and Surlyk 1973.Fossils and Strata 54 , 219-225.
Knaust, D. 2008. Balanoglossites Mägdefrau, 1932 from the Middle Triassic of Germany: part of a complex trace fossil probably produced by burrowing and boring polychaetes.Paläontologische Zeitschrift 82 , 4,347-372. DOI:10.1007/BF03184427
Wyse Jackson, P. N., Key, M. M. 2007. Borings in trepostome bryozoans from the Ordovician of Estonia: two ichnogenera produced by a single maker, a case of host morphology control.Lethaia 40 , 3,237-252. DOI:10.1111/j.1502-3931.2007.00021.x
Landing, E., Peng, S., Babcock, L. E., Geyer, G., Moczydlowska-Vidal, M. 2007. Global standard names for the Lowermost Cambrian Series and Stage.Episodes 30 , 4,287-289. DOI:10.18814/epiiugs/2007/v30i4/004
Schlirf, M., Bromley, R. G. 2007. Teichichnus duplex n. isp., new trace fossil from the Cambrian and the Triassic.Beringeria 37 , 133-141.
Davies, N. S., Sansom, I. J., Turner, P. 2006. Trace fossils and paleoenvironments of a Late Silurian marginal-marine/alluvial system: the Ringerike Group (Lower Old Red Sandstone), Oslo Region, Norway.Palaios 21 , 1,46-62. DOI:10.2110/palo.2003.p03-08
Kushlina, V. B. 2006. Biting traces on echinoderms from the Ordovician of the St. Petersburg Region (Russia).3rd Workshop on Ichnotaxonomy. Prague and Jevíčko (Czech Republic). September 4 – 9, 2006 , pp. 12-14.
Uchman, A., Gaždzicki, A. 2006. New trace fossils from the La Meseta Formation (Eocene) of Seymour Island, Antarctica.Polish Polar Research 27 , 2,153 – 170.
Systra, Y., Jensen, S. 2006. Trace fossils from the Dividalen Group of northern Finland with remarks on early Cambrian trace fossil provincialism.GFF 128 , 4,321-325. DOI:10.1080/11035890601284321
Vinn, O. 2005. The tube ultrastructure of serpulids (Annelida, Polychahaeta) Pentaditrypa subtorquata, Cretaceous, and Nogrobs cf. vertebralis, Jurassic, from Germany.Proceedings of the Estonian Academy of Sciences. Geology 54 , 4,260-265. DOI:10.3176/geol.2005.4.03
Vinn, O. 2005. The distribution of worm borings in brachiopod shells from the Caradoc Oil Shale of Estonia.Carnets de Géologie 5 , article 3,1-11. DOI:10.4267/2042/2454
Stiller, F. 2005. An Early Jurassic Talpina-dominated assemblage of borings in bivalve shells from southern Hunan, China, with remarks on the ichnogenus Talpina Hagenow, 1840.Acta Palaeontologica Sinica 44 , 396-411.
Uchman, A., Hanken, N.-M., Binns, R. 2005. Ordovician Bathyal Trace Fossils From Metasiliciclastics in Central Norway and Their Sedimentological and Paleogeographical Implications.Ichnos 12 , 2,105-133. DOI:10.1080/10420940590914534
Mikuláš R., Dronov, A. V. 2005. Trace fossils.6th Baltic Stratigraphical Conference, IGCP 503 Meeting, August 23-25, 2005. Cambrian and Ordovician of St. Petersburg region. Guidebook of the pre-conference field trip , pp. 33-38.
Knaust, D. 2004. Cambro-Ordovician trace fossils from the SW-Norwegian Caledonides.Geological Journal 39 , 1,1-24. DOI:10.1002/gj.941
Wisshak, M., Volohonsky, E., Seilacher, A., Freiwald, A. 2004. A trace fossil assemblage from fluvial Old Red deposits (Wood Bay Formation; Lower to Middle Devonian) of NW-Spitsbergen, Svalbard.Lethaia 37 , 2,149-163. DOI:10.1080/00241160410005763
Donovan, S. 2003. A New Ichnospecies of Gastrochaenolites Leymerie from the Pleistocene Port Morant Formation of Southeast Jamaica and the Taphonomy of Calcareous Linings in Clavate Borings.Ichnos 9 , 1-2,61-66. DOI:10.1080/10420940190034085
Jensen, S. 2003. The Proterozoic and Earliest Cambrian Trace Fossil Record; Patterns, Problems and Perspectives.Integrative and Comparative Biology 43 , 1,219-228. DOI:10.1093/icb/43.1.219
Bromley, R. G., Uchman, A. 2003. Trace fossils from the Lower and Middle Jurassic marginal-marine deposits of the Sorthat Formation, Bornholm, Denmark.Bulletin of the Geological Society of Denmark 50 , 2,185-208. DOI:10.37570/bgsd-2003-50-15
Ekdale, A. A., Bromley, R. G. 2003. Paleoethologic interpretation of complex Thalassinoides in shallow-marine limestones, Lower Ordovician, southern Sweden.Palaeogeography, Palaeoclimatology, Palaeoecology 192 , 1-4,221-227. New Interpretations of Complex Trace Fossils , pp. 221-227. DOI:10.1016/S0031-0182(02)00686-7
Ekdale, A. A., Bromley, R. G. 2001. A day and a night in the life of a cleft-foot clam: Protovirgularia-Lockeia-Lophoctenium.Lethaia 34 , 2,119-124. DOI:10.1080/00241160152418410
Jensen, S., Mens, K. 2001. Trace fossils Didymaulichnus cf. tirasensis and Monomorphichnus isp. from the Estonian Lower Cambrian, with a discussion on the early Cambrian ichnocoenoses of Baltica.Proceedings of the Estonian Academy of Sciences. Geology 50 , 2,75-85. DOI:10.3176/geol.2001.2.01
Rydell, J., Hammarlund, J., Seilacher, A. 2001. Trace fossil associations in the Swedish Mickwitzia sandstone (Lower Cambrian): Did trilobites really hunt for worms?.GFF 123 , 4,247-250. DOI:10.1080/11035890101234247
Seilacher, A. 2000. Ordovician and Silurian Arthrophycid Ichnostratigraphy.Geological Exploration in Murzuq Basin , pp. 237-258. DOI:10.1016/B978-044450611-5/50013-1
Mikuláš, R. 2000. Trace fossils from the Cambrian of the Barandian area (Central Bohemia, Czech Republic).Czech Geological Survey Special Paper 12 , 1-29.
Jensen, S., Bergström, J. 2000. Cheiichnus gothicus igen. et isp. n., a new Bergaueria-like arthropod trace fossil from the Lower Cambrian of Västergötland, Sweden.GFF 122 , 3,293-296. DOI:10.1080/11035890001223293
Cole, A. R., Palmer, T. J. 1999. Middle Jurassic worm borings, and a new giant ichnospecies of Trypanites from the Bajocian/Dinantian unconformity, southern England.Proceedings of the Geologists Association 110 , 3,203–209. DOI:10.1016/S0016-7878(99)80070-4
Jensen, S., Mens, K. 1999. A Lower Cambrian shallow-water occurrence of the branching ‘deep-water’ type trace fossil Dendrorhaphe from the Lontova Formation, eastern Latvia.Paläontologische Zeitschrift 73 , 1-2,187-193. DOI:10.1007/BF02987992
Thomas, A. T., Smith, M. P. 1998. Terebellid Polychaete burrows from the Lower Palaeozoic.Palaeontology 41 , 2,317-333.
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