First occurrence of a frog-like batrachian (Amphibia) in the Late Triassic Fleming Fjord Group, central

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First occurrence of a frog-like batrachian (Amphibia) in the Late Triassic Fleming Fjord Group, central. / Jésus, Valerian J. P.; Mateus, Octávio; Milan, Jesper; Clemmensen, Lars B.

In: Bulletin of the Geological Society of Denmark, Vol. 70, 2022, p. 117-130.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Jésus, VJP, Mateus, O, Milan, J & Clemmensen, LB 2022, 'First occurrence of a frog-like batrachian (Amphibia) in the Late Triassic Fleming Fjord Group, central', Bulletin of the Geological Society of Denmark, vol. 70, pp. 117-130. https://doi.org/10.37570/bgsd-2022-70-08

APA

Jésus, V. J. P., Mateus, O., Milan, J., & Clemmensen, L. B. (2022). First occurrence of a frog-like batrachian (Amphibia) in the Late Triassic Fleming Fjord Group, central. Bulletin of the Geological Society of Denmark, 70, 117-130. https://doi.org/10.37570/bgsd-2022-70-08

Vancouver

Jésus VJP, Mateus O, Milan J, Clemmensen LB. First occurrence of a frog-like batrachian (Amphibia) in the Late Triassic Fleming Fjord Group, central. Bulletin of the Geological Society of Denmark. 2022;70:117-130. https://doi.org/10.37570/bgsd-2022-70-08

Author

Jésus, Valerian J. P. ; Mateus, Octávio ; Milan, Jesper ; Clemmensen, Lars B. / First occurrence of a frog-like batrachian (Amphibia) in the Late Triassic Fleming Fjord Group, central. In: Bulletin of the Geological Society of Denmark. 2022 ; Vol. 70. pp. 117-130.

Bibtex

@article{ffc0d20d39d3489eb9010235fba510ea,
title = "First occurrence of a frog-like batrachian (Amphibia) in the Late Triassic Fleming Fjord Group, central",
abstract = "During the Triassic, Batrachia diverged into ancestors of frogs (Salientia) and salamanders (Caudata). Fossils of Triassic batrachians are rare and found only in a few outcrops, such as the Middle Sakamena Formation of Madagascar (Induan). Only three Triassic taxa have been described, the two early frogs Triadobatrachus and Czatkiobatrachus and the early salamander Triassurus. Here we describe a right ilium, collected in 1991, attributed to the first batrachian from the Late Triassic Carlsberg Fjord Member (orsted Dal Formation, Fleming Fjord Group) in the Jameson Land Basin, located in central East Greenland. The fossil specimen only displays the proximal part of a right ilium, missing its shaft. After a thorough comparison with several clades (lizards, temnospondyls, salamanders and frogs), we consider the specimen as a lissamphibian sharing feature with salientians and anurans: squarish acetabular region, deeply concave acetabular surface, laterally projecting acetabular rim, flat mesial surface. It is the youngest Triassic specimen of Batrachia to date and one of the northernmost of the Late Triassic.",
keywords = "Lissamphibia, frogs, salamanders, ilium, Late Triassic, Fleming Fjord Group, CENTRAL EAST GREENLAND, JAMESON LAND, SAUROPODOMORPH DINOSAUR, POSTCRANIAL SKELETON, HATEG BASIN, TEMNOSPONDYLI, MORPHOLOGY, EVOLUTION, ORIGIN, DISSOROPHOIDEA",
author = "J{\'e}sus, {Valerian J. P.} and Oct{\'a}vio Mateus and Jesper Milan and Clemmensen, {Lars B.}",
year = "2022",
doi = "10.37570/bgsd-2022-70-08",
language = "English",
volume = "70",
pages = "117--130",
journal = "Bulletin of the Geological Society of Denmark",
issn = "0011-6297",
publisher = "Dansk Geologisk Forening",

}

RIS

TY - JOUR

T1 - First occurrence of a frog-like batrachian (Amphibia) in the Late Triassic Fleming Fjord Group, central

AU - Jésus, Valerian J. P.

AU - Mateus, Octávio

AU - Milan, Jesper

AU - Clemmensen, Lars B.

PY - 2022

Y1 - 2022

N2 - During the Triassic, Batrachia diverged into ancestors of frogs (Salientia) and salamanders (Caudata). Fossils of Triassic batrachians are rare and found only in a few outcrops, such as the Middle Sakamena Formation of Madagascar (Induan). Only three Triassic taxa have been described, the two early frogs Triadobatrachus and Czatkiobatrachus and the early salamander Triassurus. Here we describe a right ilium, collected in 1991, attributed to the first batrachian from the Late Triassic Carlsberg Fjord Member (orsted Dal Formation, Fleming Fjord Group) in the Jameson Land Basin, located in central East Greenland. The fossil specimen only displays the proximal part of a right ilium, missing its shaft. After a thorough comparison with several clades (lizards, temnospondyls, salamanders and frogs), we consider the specimen as a lissamphibian sharing feature with salientians and anurans: squarish acetabular region, deeply concave acetabular surface, laterally projecting acetabular rim, flat mesial surface. It is the youngest Triassic specimen of Batrachia to date and one of the northernmost of the Late Triassic.

AB - During the Triassic, Batrachia diverged into ancestors of frogs (Salientia) and salamanders (Caudata). Fossils of Triassic batrachians are rare and found only in a few outcrops, such as the Middle Sakamena Formation of Madagascar (Induan). Only three Triassic taxa have been described, the two early frogs Triadobatrachus and Czatkiobatrachus and the early salamander Triassurus. Here we describe a right ilium, collected in 1991, attributed to the first batrachian from the Late Triassic Carlsberg Fjord Member (orsted Dal Formation, Fleming Fjord Group) in the Jameson Land Basin, located in central East Greenland. The fossil specimen only displays the proximal part of a right ilium, missing its shaft. After a thorough comparison with several clades (lizards, temnospondyls, salamanders and frogs), we consider the specimen as a lissamphibian sharing feature with salientians and anurans: squarish acetabular region, deeply concave acetabular surface, laterally projecting acetabular rim, flat mesial surface. It is the youngest Triassic specimen of Batrachia to date and one of the northernmost of the Late Triassic.

KW - Lissamphibia

KW - frogs

KW - salamanders

KW - ilium

KW - Late Triassic

KW - Fleming Fjord Group

KW - CENTRAL EAST GREENLAND

KW - JAMESON LAND

KW - SAUROPODOMORPH DINOSAUR

KW - POSTCRANIAL SKELETON

KW - HATEG BASIN

KW - TEMNOSPONDYLI

KW - MORPHOLOGY

KW - EVOLUTION

KW - ORIGIN

KW - DISSOROPHOIDEA

U2 - 10.37570/bgsd-2022-70-08

DO - 10.37570/bgsd-2022-70-08

M3 - Journal article

VL - 70

SP - 117

EP - 130

JO - Bulletin of the Geological Society of Denmark

JF - Bulletin of the Geological Society of Denmark

SN - 0011-6297

ER -

ID: 321832633