Trace fossils from Late Pleistocene varved lacustrine sediments in eastern Lithuania

Uchman, Alfred; Kazakauskas, Vaidotas; Gaigalas, Algirdas

doi:10.1016/j.palaeo.2008.08.003

Cited by 67 publications

(75 citation statements)

References 33 publications

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“…ReMARKS: The parallel scratch marks of this trace are similar to oblique scratches in the ichnogenera Glaciichnium and Pterichnus, which were produced by isopods (Gaillard et al 2005;Uchman et al 2009). However, Glaciichnium is composed of multiple imprints per set, with the medial imprints nearly parallel to the trackway axis (Uchman et al 2009).…”

Section: Ichnogenus Pterichnus Hitchcock 1865mentioning

confidence: 67%

“…However, Glaciichnium is composed of multiple imprints per set, with the medial imprints nearly parallel to the trackway axis (Uchman et al 2009). In contrast, the present trace shows only a single scratch set oriented at an angle to the trackway midline, and these scratches may cross the trackway midline oblique to the trackway axis.…”

Section: Ichnogenus Pterichnus Hitchcock 1865mentioning

confidence: 99%

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Insights into an Early Jurassic dinosaur habitat: ichnofacies and enigmatic structures from the Portland Formation, Hoover Quarry, Massachusetts, U.S.A.

Collette

Getty²,

Hagadorn

2011

atgeol

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Jurassic sandstones of the Hartford Basin are well known for their dinosaur trackways, but few studies have characterized their invertebrate ichnofaunas. A notable Portland Formation exposure in this area is the Hoover Quarry in East Longmeadow, Massachusetts, where vertebrate skeletal material (the type specimen of the crocodilian Stegomosuchus longipes) occurs in association with a diverse ichnofauna. Hoover Quarry ichnogenera include Eubrontes cf. gracilis, Planolites beverleyensis, Planolites montanus, probable Scoyenia burrows, and Skolithos isp. Also preserved at the site is Palaeophycus tortuosus, a sinusoidal burrow that had been previously synonymized with Palaeophycus tubularis. A probable Skolithos burrow termination with an unusual pattern of scratches also occurs, along with several problematic stellate structures. At this site, primary sedimentary structures on trace bearing surfaces are consistent with deposition in a shallow aquatic environment that was periodically emergent. Viewed in the context of nearby sections of the Portland Formation, Hoover Quarry exposures could have been deposited in fluvial, ephemeral lacustrine, or playa environments. Traces in the Hoover Quarry indicate Scoyenia-Skolithos-composite ichnofacies, elements of which are commonly produced in continental firmground environments. RÉSUMÉLes grès du Jurassique dans le bassin de Hartford sont reconnus pour la présence d'empreintes de dinosaures. Mais peu d'études ont permis de caractériser l'ichnofaune invertébrée qu'on peut également y observer. Un affleurement notable de la Formation Portland dans la région est présent dans la carrière Hoover, à East Longmeadow, au Massachusetts, où des matériaux de squelettes de vertébrés (le spécimen type du crocodilien Stegomosuchus longipes) et une ichnofaune diversifiée sont présents. L'ichnofaune de la carrière Hoover comprend les espèces comme Eubrontes cf. gracilis, Planolites beverleyensis, Planolites montanus, vraisemblablement des terriers de Scoyenia, et Skolithos. Il y a également sur le site l'espèce Palaeophycus tortuosus, un terrier sinusoïdal qui a déjà été nommé Palaeophycus tubularis. L'extrémité d'un terrier de l'espèce probable Skolithos accompagnée d'une série inusitée de stries ou d'éraflures est en outre présente, tout comme plusieurs structures étoilées dont l'origine demeure mystérieuse. Sur le site, des structures primaires sur des surfaces marquées de traces correspondraient à une sédimentation dans un milieu aquatique peu profond qui a émergé à intervalles périodiques. Considéré dans le contexte des sections de la Formation Portland, situées à proximité, le dépôt des affleurements de la carrière Hoover pourrait être survenu dans un milieu fluvial, lacustre éphémère ou en présence d'un lac temporaire. Les traces relevées dans la carrière Hoover indiquent la présence d'un ichnofaciès composite de type Scoyenia-Skolithos, dont les éléments sont couramment produits dans un milieu de sol continental à cohésion moyenne.[Traduit par la redaction]

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Section: Ichnogenus Pterichnus Hitchcock 1865mentioning

confidence: 67%

Section: Ichnogenus Pterichnus Hitchcock 1865mentioning

confidence: 99%

Insights into an Early Jurassic dinosaur habitat: ichnofacies and enigmatic structures from the Portland Formation, Hoover Quarry, Massachusetts, U.S.A.

Collette

Getty²,

Hagadorn

2011

atgeol

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“…Some of the reported arthropod trackways (Braddy and Almond, 1999;Buatois and Mángano, 2002;Kim et al, 2005;Minter et al, 2007;Pollard et al, 2008;Seilacher, 2008;Uchman et al, 2009;Fillmore et. al., 2010) can at best be considered partially comparable to some of the wind-affected taphonomic variants of the present trackways.…”

Section: Comparable Recent and Ancient Trackwaysmentioning

confidence: 99%

Longest crab trackways from the Bay of Bengal Coast, India: their geological and geotechnical application

De¹

2014

Palaeontologia Electronica

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Neoichnological appraisal of amphibious side-runner crab Ocypode produced on the Bakkhali beach in eastern India has revealed how animal physiology, life-habits and substrate decide architecture, orientation, continuity, morphological variations and preservation potential of their typically asymmetric trackways. About 100 m long, seaward moving, parallel and cross-coast trackways that constitute the world's longest ever known invertebrate trackways amongst modern and ancient records are generated selectively by adults while herding down beach slope in quest of life-saving seawater to moisten their gills. Smaller, freely-wandering and self-crossing trackways in the moist intertidal flat are produced by young while searching food, making pellets and runways, and escaping from predators. The unnamed asymmetric crustacean trackways of Eocene of Andaman and Quaternary Banas Basin of India constitute ancient analogues of the Ocypode trackways. The analogy and fossil arthropod trackways as delicate as the present ones justify their preservation potential. The palaeoichnological applications include ichnotaxonomic revisions, creation of new ichnotaxon as taphonomic and ethological variants, and taxonomic identification of ancient trace makers, besides palaeoecological and palaeogeomorphic interpretations. It relates animal physiology with ichnotaxonomy in detail, provides new information to the existing database, and bears application potential in coastal geotechnical programmes as a new ichnological tool.

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“…Annulations or lateral marks that differentiate C. anguineus from respectively C. annulatus and C. antarticus (Buatois et al, 1997) were not observed. Nematodes, annelids, cyclostomates and fly larvae had been suggested as Cochlichnus tracemaker (Chamberlain, 1975;Buatois & Mángano, 1993;Głuszek, 1995;Gibert et al, 2000;Uchman et al, 2009). However, Diptera are not present in the fossil record before the Upper Triassic (Mángano et al, 1996).…”

Section: Ichnogenusmentioning

confidence: 99%

“…Grazing, feeding, locomotion, and predation are the main ethologic behaviors represented by Cochlichnus (Eagar et al, 1985;Dam, 1990;Netto, 1992;Buatois & Mángano, 1993;Głuszek, 1995;Buatois et al, 1997;Sarkar et al, 2009), being recorded in marine, marginal-marine and continental subaquatic environments, including lacustrine (e.g. Buatois & Mángano, 1993, 1995Gibert et al, 2000;Netto et al, 2009;Uchman et al, 2009), deltaic (Eagar et al, 1985;Melchor et al, 2003) and fluvial deposits (see compilation by (Keighley & Pickerill, 1996). The presence of discrete scratch marks and of uniformly shallow, narrow lobes is diagnostic of C. problematica (e.g.…”

Section: Ichnogenusmentioning

confidence: 99%

Trace fossils from the Permian Teresina Formation at Cerro Caveiras (S Brazil)

Lima¹

2012

Rev. bras. paleontol.

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-The ichnofauna of the Teresina Formation from the Cerro Caveiras (Dom Pedrito, Rio Grande do Sul State, South Brazil) is revised in this paper. Bergaueria isp., Cochlichnus cf. anguineus, Cruziana problematica, cf. Diplocraterion isp., Diplopodichnus biformis, Helminthopsis isp., Lockeia siliquaria, Multina arcuata isp. nov., Oldhamia isp., Palaeophycus striatus, P. tubularis, Phymatoderma burkei, Planolites beverleyensis, P. montanus, Teichichnus isp., and Thalassinoides isp. were recorded. Isopodichnus problematicus, Helminthopsis tenuis and Unarites isp., previously described in these deposits are now described as Cruziana problematica, indeterminate molluscan trail, and Multina arcuata isp. nov., respectively. The ichnofauna is composed chiefly of horizontal, simple shallow burrows, with a predominance of feeding structures. Resting, dwelling and crawling structures also occur, as well as indeterminate tiny grazing trails, but are less frequent. Ichnodiversity and intensity of bioturbation are usually low, and P. montanus is the commonest ichnotaxon. The main characteristics of the ichnofauna suggest a marine benthic fauna stressed by salinity fluctuations and resulting in an impoverished Cruziana ichnofacies. The absence of vertical burrows and the common occurrences of monospecific assemblages of Planolites indicate extreme stress events, probably due to the establishment of freshwater conditions. Further studies focused on the ichnological signatures of these deposits will provide more detailed information to improve the current paleoecologic and paleoenvironmental interpretations of the Teresina Formation deposits.

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Trace fossils from Late Pleistocene varved lacustrine sediments in eastern Lithuania

Cited by 67 publications

References 33 publications

Insights into an Early Jurassic dinosaur habitat: ichnofacies and enigmatic structures from the Portland Formation, Hoover Quarry, Massachusetts, U.S.A.

Insights into an Early Jurassic dinosaur habitat: ichnofacies and enigmatic structures from the Portland Formation, Hoover Quarry, Massachusetts, U.S.A.

Longest crab trackways from the Bay of Bengal Coast, India: their geological and geotechnical application

Trace fossils from the Permian Teresina Formation at Cerro Caveiras (S Brazil)

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