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Raederichnus dondasi

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Journal Article

RAEDERICHNUS DONDASI A NEW TRACE FOSSIL FROM THE EARLY PALEOZOIC OF ARGENTINA REVEALS SHOALING BEHAVIOR IN EARLY FISH Available to Purchase

KAREN HALPERN, SOLEDAD GOUIRIC-CAVALLI, MATIAS L. TAGLIORETTI, MARCELO FARENGA, FERNANDO SCAGLIA, LYDIA CALVO MARCILESE, JULIO L. DEL RÍO
Journal: PALAIOS
Published: 25 August 2022
PALAIOS (2022) 37 (8): 418–432.
DOI: https://doi.org/10.2110/palo.2021.023
.... and erect a new ichnotaxon, Raederichnus dondasi isp. nov. for the Argentinian material. We report for the first time from the Balcarce Formation Psammichnites isp ., in association with Herradurichnus scagliai , both forming minor components of the ichnoassemblage. Raederichnus dondasi and the accompanying...
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View PDF for article title, <span class="search-highlight">RAEDERICHNUS</span> <span class="search-highlight">DONDASI</span> A NEW TRACE FOSSIL FROM THE EARLY PALEOZOIC OF ARGENTINA REVEALS SHOALING BEHAVIOR IN EARLY FISH
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Shape and size indexes considered to describe Raederichnus dondasi isp. n... Available to Purchase

Published: 25 August 2022
Table 1. Shape and size indexes considered to describe Raederichnus dondasi isp. nov. Measurements from the literature that were included in the analyses are listed with their references in the Online Supplemental File.
Image
Schematic outline of the Raederichnus dondasi nov. ichnogenus et ichnospecies showing the measurements considered in this study. Key: TL = total length; Mw = maximum width; Z = distance from the anterior region to the maximum depth of the imprint; wZ = width at the maximum depth of the imprint.

Schematic outline of the Raederichnus dondasi nov. ichnogenus et ichnospe... Available to Purchase

Published: 25 August 2022
Fig. 5. Schematic outline of the Raederichnus dondasi nov. ichnogenus et ichnospecies showing the measurements considered in this study. Key: TL = total length; Mw = maximum width; Z = distance from the anterior region to the maximum depth of the imprint; wZ = width at the maximum depth
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Raederichnus dondasi isp. nov. A) General view of the upper level (m4), where the specimens are aligned perpendicular to the tidal currents. B) Complete specimen, in the anterior portion the two kidney-shaped structures can be interpreted as ?branchial cameras. C) General view of Cubichnia with the back tail flexionated. D) Two specimens. E) Detail of the anterior portion showing a scalloped outline. F) Two-paired and overlapped specimens can be observed on the surface bearing ripple marks. G) Back tail showing the distribution of the ?scales. H) A complete specimen followed by tail imprints. All photographs come from the Minera Quarry. Arrows indicate rostrad. Key: B.ch? = possible branchial chamber.

Raederichnus dondasi isp. nov. A ) General view of the upper level (m4), ... Available to Purchase

Published: 25 August 2022
Fig. 7. Raederichnus dondasi isp. nov. A ) General view of the upper level (m4), where the specimens are aligned perpendicular to the tidal currents. B ) Complete specimen, in the anterior portion the two kidney-shaped structures can be interpreted as ?branchial cameras. C ) General view
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Relative size of the traces and possible producers. Size measurements of carcasses of asaphid trilobites, several fish groups and xiphosiurids obtained from the literature from Cambrian to early Silurian (see Online Supplemental File for more detail). Raederichnus dondasi isp. nov. is temporally located in the graph by the midpoint value of the estimated range of the Balcarce Formation's age (Rapela et al. 2011).

Relative size of the traces and possible producers. Size measurements of ca... Available to Purchase

Published: 25 August 2022
Fig. 9. Relative size of the traces and possible producers. Size measurements of carcasses of asaphid trilobites, several fish groups and xiphosiurids obtained from the literature from Cambrian to early Silurian (see Online Supplemental File for more detail). Raederichnus dondasi isp. nov