Ichnos-An International Journal for Plant and Animal Traces最新文献

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First occurrence of jumping trackway in upper Paleozoic glacially-related deposits, Paraná Basin, Brazil, and paleoenvironmental implications 跳跃轨迹首次出现于巴西帕拉南<e:1>盆地上古生界与冰川有关的矿床及其古环境意义
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-10-02 DOI: 10.1080/10420940.2021.1998036
D. Silva, C. Vega, F. Vesely, D. Schemiko, Robson Tadeu Bolzon
{"title":"First occurrence of jumping trackway in upper Paleozoic glacially-related deposits, Paraná Basin, Brazil, and paleoenvironmental implications","authors":"D. Silva, C. Vega, F. Vesely, D. Schemiko, Robson Tadeu Bolzon","doi":"10.1080/10420940.2021.1998036","DOIUrl":"https://doi.org/10.1080/10420940.2021.1998036","url":null,"abstract":"Abstract Ichnology is fundamental to understanding characteristics of paleoenvironments such as hydrodynamic energy, oxygenation, salinity and substrate consistency. The Itararé Group is a Mississippian-Cisuralian lithostratigraphic unit of the Paraná Basin, in which trace fossils have been increasingly employed in paleoenvironmental reconstructions during the Late Paleozoic Ice Age in western Gondwana. The upper unit of the Itararé Group, the Rio do Sul Formation, exhibits a diverse trace fossil assemblage preserved in fine-grained rhythmites deposited in glacially related aquatic environments. In these rhythmites, trackways and trails produced by terrestrial and aquatic organisms were previously described. In this paper we report a new trace fossil collected from a rhythmite quarry near Trombudo Central, Santa Catarina state, and discuss potential paleoenvironmental implications. The studied specimen consists of an arthropod jumping trackway which could indicate a subaerial paleoenvironmental setting corroborating previous ichnological studies.","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88638765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Webinar report: Seminario Virtual Internacional de Icnología de Vertebrados – SEVIIV2021 网络研讨会报告:国际脊椎动物技术虚拟研讨会- SEVIIV2021
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-10-02 DOI: 10.1080/10420940.2021.1998037
Ricardo Melchor
{"title":"Webinar report: Seminario Virtual Internacional de Icnología de Vertebrados – SEVIIV2021","authors":"Ricardo Melchor","doi":"10.1080/10420940.2021.1998037","DOIUrl":"https://doi.org/10.1080/10420940.2021.1998037","url":null,"abstract":"SEVIIV2021 was a scientific webinar on vertebrate ichnology hosted by the Universidad Nacional de La Pampa and the Instituto de Ciencias de la Tierra y Ambientales de La Pampa, that was convened on five half-day sessions developed between June 14-18, 2021. This virtual activity was effective in facilitating discussions and interchange between experienced vertebrate ichnologists and graduate students. Spanish and Portuguese were the languages of this free seminar that included 33 talks and an average audience of 140 participants per day. Presentations were delivered by vertebrate ichnologists from nine countries, including Giuseppe Leonardi (Italy), Martin Lockley (USA), Silvério Figueiredo (Portugal); Félix Pérez Lorente, José Joaquín Moratalla García, Laura Piñuela, and Diego Castanera (Spain); Karen Moreno and Jorge Campos (Chile); Mariano Verde and Valeria Mesa (Uruguay); Eduardo Jiménez Hidalgo, Rosalía Guerrero, Felisa J. Aguilar Arellano, Víctor Manuel Bravo Cuevas, and Rubén Rodríguez de la Rosa (Mexico); Ismar de Souza Carvalho, Paula Dentzien-Dias, Caio César Rangel, and Heitor Francischini (Brazil); Teresa Manera, Bernardo González Riga, María Belén Tomaselli, Carlos Cónsole-Gonella, Silvina de Valais, Ignacio Díaz-Martínez, Paolo Citton, Jorge Orlando Calvo, María Cristina Cardonatto, Verónica Krapovickas, Nahuel Espinoza, Manuel Rojas Manriquez, and Arturo Heredia (Argentina). The topics covered were diverse including dinosaur tracks (perhaps the more common theme); protection of the ichnological heritage; factors affecting the formation and preservation of footprints; ichnotaxonomy; regional or basinal synthesis of the vertebrate ichnological record; paleoenvironmental, paleoecological and evolutionary aspects of vertebrate trace fossils; importance of osteological studies for the interpretation of tracks; modern and fossil tetrapod burrows; coprolites; and human footprints in archeological settings. The talks are stored in the CPA UNLPam YouTube channel, separated in individual links related to each day (day 1: https://youtu.be/-pa8-pTynW4, day 2: https://youtu.be/ fXCkozfTjzc, day 3: https://youtu.be/CExQVQ78iBE, day 4: https://youtu.be/ZgcuEI0DG-I, day 5: https:// youtu.be/orYEpDcPbtE). The talks and lively discussions invite some reflections on current aspects of the discipline, at least from the Latin ichnological community. It is well known that the approaches of invertebrate and vertebrate ichnology are different (e.g. Bromley, 2004; Lockley, 2007). This webinar also revealed that even between vertebrate ichnologists there are differences or shades in the purposes of the study of trace fossils and the methodology they employ. A good example of this fact is that several vertebrate ichnologists are reluctant to use or even do not “believe” in ichnotaxonomy. This position is probably linked with the complicated formative and taphonomical processes of footprints, and the resulting preservational variants (Marchetti et al., 2019), ","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81290093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ron Pickerill Memorial Issue 罗恩·皮克里尔纪念刊
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-07-03 DOI: 10.1080/10420940.2021.1992563
D. Keighley, M. Gingras, L. Buatois
{"title":"Ron Pickerill Memorial Issue","authors":"D. Keighley, M. Gingras, L. Buatois","doi":"10.1080/10420940.2021.1992563","DOIUrl":"https://doi.org/10.1080/10420940.2021.1992563","url":null,"abstract":"In 2018, Ron Pickerill, a dear friend and mentor to many of us, passed away. He is well remembered by us and note that his obituary appeared earlier in this journal (Donovan et al. 2019). This volume is a small tribute to a man who was a fine taxonomist and paleontologist. His work and life were dedicated to ichnological learning and teaching, as well as tireless reviewing and editing. The papers dedicated herein reflect his career. The first paper in the volume is by Rob McNaughton, an early protégé of Ron’s and the trace fossil discussed therein, Psammichnites, was one of Ron’s favorites. Kaur’s paper is next and it presents Cambrian trace fossils from India. It is worth noting that this paper resonates with some of Ron’s most","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83030011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Taphonomy of a limpet 帽贝的分类
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-07-03 DOI: 10.1080/10420940.2021.1932493
S. Donovan
{"title":"Taphonomy of a limpet","authors":"S. Donovan","doi":"10.1080/10420940.2021.1932493","DOIUrl":"https://doi.org/10.1080/10420940.2021.1932493","url":null,"abstract":"Abstract Limpets are a group of gastropods that generate distinctive traces – their homing scars – and whose shells are bored both by predators and invertebrates forming domiciles. A Recent shell of Patella vulgata Linnaeus shows a distinctive and unusual preservation. It was collected from the north (Solent) coast of the Isle of Wight, southern England, from Queen Victoria’s private bathing beach, Osborne House. The specimen preserves only the lower third of the shell, adjacent to the aperture. The surface of breakage is densely infested by the U-shaped boring Caulostrepsis taeniola Clarke, commonly the spoor of spionid polychaetes such as Polydora spp. The inferred taphonomic history is that the lower third of the dead shell was protected by burial in sediment while the apex was destroyed by a dense infestation of boring spionids. Such preservation is highly distinctive and might not be recognized in the fossil record when shells are only seen in two dimensions in a lithified rock surface.","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84456445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ichnology of a dolomitized raised reef: Hopegate Formation, Jamaica (Upper Pliocene) 牙买加(上新世)Hopegate组白云化隆起礁技术
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-07-03 DOI: 10.1080/10420940.2021.1932489
S. Donovan, R. Portell
{"title":"Ichnology of a dolomitized raised reef: Hopegate Formation, Jamaica (Upper Pliocene)","authors":"S. Donovan, R. Portell","doi":"10.1080/10420940.2021.1932489","DOIUrl":"https://doi.org/10.1080/10420940.2021.1932489","url":null,"abstract":"Abstract The Upper Pliocene Hopegate Formation of north central Jamaica is a dolomitized raised reef. Hitherto, its palaeontology has been largely ignored because of the poor preservation; the Hopegate Formation is highly karstified, well indurated and fossils are commonly preserved as molds. However, moldic preservation has enhanced the common borings. Ichnotaxa identified from this formation include Entobia ovula? Bromley and d’Alessandro; Entobia ispp.; Gastrochaenolites isp. cf. G. torpedo Kelly and Bromley; Gastrochaenolites pickerilli Donovan; Gastrochaenolites ispp.; Oichnus simplex Bromley; Rogerella isp. cf. R. lecontrei Saint-Seine; Talpina isp. cf. T. hirsuta Voigt and Uniglobites flomerata (Morris). There are more specimens of Entobia than all other ichnotaxa combined. Comparison with other Neogene formations or members in the Antilles demonstrates that the association Entobia + Gastrochaenolites + Oichnus is near-ubiquitous. Caulostrepsis Clarke, which is common in modern shallow water environments in association with Entobia and Gastrochaenolites, is less common in the ancient associations of the Antilles.","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79062647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Neoichnological study of two species of burrowing darkling beetles (Coleoptera: Tenebrionidae) from larval to adult stages 两种穴居暗甲虫(鞘翅目:拟甲科)幼虫至成虫期的新技术研究
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-07-01 DOI: 10.1080/10420940.2021.1941001
Hayden A. Thacker, Daniel I. Hembree
{"title":"Neoichnological study of two species of burrowing darkling beetles (Coleoptera: Tenebrionidae) from larval to adult stages","authors":"Hayden A. Thacker, Daniel I. Hembree","doi":"10.1080/10420940.2021.1941001","DOIUrl":"https://doi.org/10.1080/10420940.2021.1941001","url":null,"abstract":"ABSTRACT Beetles (Coleoptera) are a critical component of terrestrial ecosystems filling numerous ecological roles. Soil-dwelling beetles play an important role in pedogenesis through the production of biogenic structures throughout their life cycle. Given their life habits, beetle trace fossils should be abundant in the fossil record and a number of ichnotaxa have been attributed to beetles, yet there is still much to learn about their trace-making techniques and the variety of morphologies of traces they can produce throughout their life cycle. The Tenebrionidae (darkling beetles) is a common, globally distributed group that includes many soil-dwelling species from a variety of environments. The purpose of this project was to gain a better understanding of biogenic structures produced during each life stage of two species of burrowing darkling beetles, Zophobas morio F. and Tenebrio molitor L. Single to multiple specimens of each species were placed in variably sized enclosures filled with massive and layered sediment with and without layers of food. Biogenic structures produced by the two species were similar, but distinct between each life stage and associated with different behaviors. Observed biogenic structures are comparable to Palaeophycus, Planolites, Fictovichnus, Rebuffoichnus, Pallichnus, Taenidium, Skolithos, and Conichnus depending on the life stage. Neoichnological studies such as this can aid in the understanding of biogenic structures in the fossil record. Being able to effectively link continental traces to trace makers will ultimately improve our understanding of the composition of ancient terrestrial ecosystems.","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79879951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Oldhamia from the Oligocene/Miocene-age deep-marine Algeciras Unit, Campo de Gibraltar Complex, southeast Spain: First record of this characteristic Lower Palaeozoic (mainly Cambrian) ichnofossil from younger strata 西班牙东南部Campo de Gibraltar杂岩渐新世/中新世深海Algeciras单元的Oldhamia:这一具有下古生代(主要是寒武纪)特征的鱼化石首次记录于较年轻地层
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-06-23 DOI: 10.1080/10420940.2021.1932494
T. Mccann
{"title":"Oldhamia from the Oligocene/Miocene-age deep-marine Algeciras Unit, Campo de Gibraltar Complex, southeast Spain: First record of this characteristic Lower Palaeozoic (mainly Cambrian) ichnofossil from younger strata","authors":"T. Mccann","doi":"10.1080/10420940.2021.1932494","DOIUrl":"https://doi.org/10.1080/10420940.2021.1932494","url":null,"abstract":"Abstract The ichnofossil Oldhamia is considered to be characteristic of deep-marine, Cambrian-age successions. Recent work from an Oligocene/Miocene-age sedimentary succession in the southwest of Spain revealed the presence of well-preserved Oldhamia at the base of two beds (which occur close to one another). Oldhamia was associated with a range of other ichnofossils including Belorhaphe, Chondrites, Circulichnis, Cochlichnus, Cosmorhaphe, Desmograpton, Halopoa, Helminthopsis, Nereites, Palaeodictyon, Palaeophycus, Planolites, Protopalaeodictyon, Scolicia, Spirophycus, Teichichnus, Thalassinoides, and Zoophycos. Deposition occurred in a lobe or channel margin environment in a deep-marine setting. This record of Oldhamia extends the range into the Paleogene/Neogene, and as such is of great ichnological and ichnostratigraphic significance.","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89754885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ichnology and biostratigraphic significance of Cambrian trace fossils from the lowest stratigraphic level of Kunzam La Formation, Chandra Valley, Lahaul and Spiti, India 印度拉胡尔和斯皮提钱德拉山谷昆扎姆拉组地层最底层寒武系微量化石技术及其生物地层学意义
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-06-18 DOI: 10.1080/10420940.2021.1932490
R. Kaur, B. Singh, O. Bhargava, R. Mikuláš, Garry Singla, S. K. Prasad, Stanzin Stopden
{"title":"Ichnology and biostratigraphic significance of Cambrian trace fossils from the lowest stratigraphic level of Kunzam La Formation, Chandra Valley, Lahaul and Spiti, India","authors":"R. Kaur, B. Singh, O. Bhargava, R. Mikuláš, Garry Singla, S. K. Prasad, Stanzin Stopden","doi":"10.1080/10420940.2021.1932490","DOIUrl":"https://doi.org/10.1080/10420940.2021.1932490","url":null,"abstract":"Abstract Trace fossils are abundant in the Cambrian Kunzam La Formation in the Lahaul and Spiti regions of the Himalaya. All previously known records belong stratigraphically to the upper part of the Cambrian Series 2/Stage 4 to the Miaolingian Series. In the present work, 15 ichnogenera comprising 26 recorded ichnospecies come from the lower part of the Kunzam La Formation exposed in the Chandra Valley, eastern Lahaul and Spiti, Himachal Pradesh. Three trace fossils associations, based on their sequence of appearance, are: (i) the Treptichnus pedum association (trace fossil association–I)-, a low diversity association, containing Planolites beverleyensis, Palaeophycus isp., and Treptichnus pedum, (ii) the Monomorphichnus association (trace fossil association–II) characterized by a sudden increase in trace fossil diversity and traces of arthropod/trilobite origin comprising Cruziana problematica, Cruziana isp., Catenichnus contentus,? Diplocraterion isp., Dimorphichnus obliquus, Dactylophycus isp., Lockeia siliquaria, Monomorphichnus multilineatus, M. lineatus, Planolites annularis, P. montanus, P. beverleyensis, Palaeophycus imbricatus, P. tubularis, Rusophycus didymus, R. leifeirikssoni, R. dispar, Rusophycus isp., Saerichnites abruptus, and serially repeated Rusophycus and Cruziana, Treptichnus pollardi and arthropod resting traces, and (iii) the Psammichnites association (trace fossil association–III) characterized by a dominant presence of large burrowing systems of Psammichnites gigas and traces of Diplichnites isp. and Ctenopholeus kutcheri. Considering the same rate of sedimentation for these deposits determined in the >50 km distant Parahio Valley and the stratigraphic position of the Psammichnites gigas assemblage zone in the Himalaya, these trace fossil associations probably fall within Cambrian Series 2, Stage 4, though the sudden increase in diversity and complexities of traces suggest an older age. Stratigraphically, the trace fossils presently described are the oldest yet recorded from the Cambrian of the Lahaul and Spiti regions.","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79481772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
The earliest occurrence of the ichnogenus Psilonichnus: a new record from the Mississippian of the West of Ireland 最早出现的飞鱼属:来自爱尔兰西部密西西比的新记录
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-06-18 DOI: 10.1080/10420940.2021.1932488
Eamon Doyle, P. Orr, John Murray
{"title":"The earliest occurrence of the ichnogenus Psilonichnus: a new record from the Mississippian of the West of Ireland","authors":"Eamon Doyle, P. Orr, John Murray","doi":"10.1080/10420940.2021.1932488","DOIUrl":"https://doi.org/10.1080/10420940.2021.1932488","url":null,"abstract":"Abstract The ichnogenus Psilonichnus Fürsich, 1981 is recorded for the first time from the Mississippian (Brigantian regional substage) limestones of the Slievenaglasha Formation from the west coast of County Clare, Ireland. This record extends the known range of Psilonichnus which has previously been recorded from rocks of Jurassic or younger age. The trace maker of the burrows described herein has not been preserved and remains unknown; however, the ichnogenus Psilonichnus is generally ascribed to the burrowing activities of decapod crustaceans such as crabs or shrimp. Decapods from the Paleozoic are poorly known and assigning the traces to a maker must be treated with caution. However, this record indicates that burrowing organisms using a similar life strategy to modern decapods were established by Brigantian times. These examples are assigned to the Glossifungites ichnofacies, as they occur on an omission surface in a shallow marine carbonate firmground. The burrows were subsequently infilled with deposits of possible storm origin. Glacioeustatic sea-level fluctuation related to the onset of the Late Paleozoic Ice Age is a common feature of Carboniferous sedimentary successions at this level, and the Irish (Mississippian) Psilonichnus horizon occurs just below a significant regional sequence boundary at the top of the Slievenaglasha Formation.","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89214832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A fossil carbonate rocky shore in the Kalcit Quarry: a new insight into echinoid shallow marine bioerosion (Miocene; Czech Republic) Kalcit采石场碳酸盐岩岸化石:中新世刺状类浅海生物侵蚀新认识捷克共和国)
IF 0.8 4区 地球科学
Ichnos-An International Journal for Plant and Animal Traces Pub Date : 2021-06-18 DOI: 10.1080/10420940.2021.1915781
Jaroslav Šamánek, R. Mikuláš, L. Hájková
{"title":"A fossil carbonate rocky shore in the Kalcit Quarry: a new insight into echinoid shallow marine bioerosion (Miocene; Czech Republic)","authors":"Jaroslav Šamánek, R. Mikuláš, L. Hájková","doi":"10.1080/10420940.2021.1915781","DOIUrl":"https://doi.org/10.1080/10420940.2021.1915781","url":null,"abstract":"ABSTRACT A Miocene fossil rocky coastline is well preserved in Kalcit Quarry near Brno. It differs from the few preserved coeval coastlines of the Central Paratethys in the dominance of borings attributable to echinoids. These borings are represented by roughly smooth shallow circular pits interpreted as dwelling traces of echinoids. Ichnotaxonomically, they can be placed in the ichnospecies Circolites kotoucensis Mikuláš, 1992. Besides usual individual pits, two discernible varieties of composite Circolites were found: (1) linear chains of pits interconnected by a smoothed joint bottom; and (2) spirally folded pits resembling a rosacean flower. The linear chains are morphologically very similar to narrow forms of Planavolites homolensis Mikuláš, 1992 and to Ericichnus bromleyi Santos and Mayoral, 2015. This similarity demonstrates the necessity of a review of the diagnoses of all the hitherto described ichnogenera attributed to boring echinoids, i.e., Circolites, Ericichnus, and Planavolites. We suggest that linear or planar traces with smoothed bottoms should be considered a composite of neighbouring Circolites, provided that the remains of individual pits are still discernible in the ground plan. Ericichnus is now considered as junior synonym of Planavolites Mikuláš, 1992.","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84531502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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