Transition between terrestrial-submerged walking and swimming revealed by Early Permian amphibian trackways and a new proposal for the nomenclature of compound trace fossils

Petti, Fabio Massimo; Bernardi, Massimo; Ashley‐Ross, Miriam A.; Berra, Fabrizio; Tessarollo, Andrea; Avanzini, Marco

doi:10.1016/j.palaeo.2014.05.032

Cited by 24 publications

(17 citation statements)

References 35 publications

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“…As a consequence, a single trackmaker could imprint many different forms, complicating the identification and classification of ichnites (e.g. Petti et al 2014).…”

Section: Methodsmentioning

confidence: 99%

Palaeoenvironmental reconstruction and early Permian ichnoassemblage from the NE Iberian Peninsula (Pyrenean Basin)

et al. 2015

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Recent finds of tetrapod ichnites in the red-bed and volcaniclastic succession of the Iberian Pyrenean Basin permits an assessment of the faunal diversity and palaeoenvironment of a late early Permian setting. The tetrapod ichnoassemblage is inferred with the aid of photogrammetry and constituted by Batrachichnus salamandroides, Limnopus isp., cf. Amphisauropus (these three ichnotaxa present associated swimming traces, assigned to Characichnos), cf. Ichniotherium, Dromopus isp., cf. Varanopus, Hyloidichnus isp. and Dimetropus leisnerianus. These ichnotaxa suggest the presence of temnospondyls, seymouriamorphs, diadectomorphs, araeoscelids, captorhinids and synapsid pelycosaurs as potential trackmakers. These faunas correlate to the late early Permian. Two ichnoassociations correspond to two different palaeoenvironments that were permanently or occasionally aquatic (meandering fluvial systems and unconfined runoff surfaces, respectively). Ichnotaxa in the fluvial system is more diverse and abundant than in the runoff surfaces system. The Iberian Pyrenean ichnoassemblage reveals the faunistic connection and similarities among nearing basins (Spain, southern France and Morocco) differing from the Central European basins (i.e. German Tambach Formation). Based on the palaeogeography and the climate models of the early Permian, we suggest the correlation of ichnofaunal composition with different palaeoclimate biomes. This results in a diffuse boundary of Gondwana–Laurasia land masses, indicating no geographic barriers but a possible climate control on the faunal distribution. Further studies, integrating data from distant tracksites, should refine these biome boundaries.

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“…As a consequence, a single trackmaker could imprint many different forms, complicating the identification and classification of ichnites (e.g. Petti et al 2014).…”

Section: Methodsmentioning

confidence: 99%

Palaeoenvironmental reconstruction and early Permian ichnoassemblage from the NE Iberian Peninsula (Pyrenean Basin)

et al. 2015

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“…3A). As this kind of trace is often associated with Batrachichnus tracks (Haubold, 1970(Haubold, , 1996Haubold et al, 1995;Voigt et al, 2011a;Petti et al, 2014), it is reasonable that they have been made by the same kind of animals as the walking traces. Batrachichnus is consensually considered to be the tracks of small to medium-sized temnospondyls (Haubold, 1971(Haubold, , 1996(Haubold, , 2000Gand, 1988;Lucas et al, 2005;Voigt et al, 2011a).…”

Section: Paleoichnologymentioning

confidence: 99%

Permian tetrapod footprints from the Spanish Pyrenees

Voigt¹,

Haubold

2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…; Bernardi & Avanzini ; Petti et al . ; Marchetti et al . , , ), invertebrate trace fossils (Alessandrello et al .…”

Section: Geological Settingmentioning

confidence: 99%

“…The specimen described by Petti et al . () (FSPD 1) shows a wide range of extramorphologies, and the best‐preserved trackways are overtracks, thus they can be only assigned to cf. Batrachichnus isp.…”

Section: Systematic Palaeontologymentioning

confidence: 99%

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New occurrences of tetrapod ichnotaxa from the Permian Orobic Basin (Northern Italy) and critical discussion of the age of the ichnoassociation

Marchetti

2016

Papers in Palaeontology

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Abstract:The late Cisuralian (Artinskian-Kungurian) is a key time interval for Permian tetrapod evolution. In all the main low-latitude Pangean sites, the fossil footprint record clearly shows a diversification and dispersal of non-synapsid amniote tracks compared to the early Cisuralian (AsselianSakmarian). However, data on latest Cisuralian (i.e. late Kungurian) sites are quite fragmentary. A new ichnotaxonomic study was carried out in the central part of the Orobic Basin, where the highly-fossiliferous Pizzo del Diavolo formation crops out and can potentially cover this gap in knowledge. The following tetrapod ichnogenera were identified: Amphisauropus, Batrachichnus, cf. Dimetropus, Dromopus, Erpetopus, Hyloidichnus, Limnopus, cf. Merifontichnus and Varanopus; they can be attributed to seymouriamorph and temnospondyl amphibians; pelycosaur synapsids; and diapsid, parareptile and captorhinid reptiles. Dimetropus and Merifontichnus are identified for the first time in the Permian of Italy. The ichnoassociation, in agreement with the radiometric dating of the underlying Cabianca formation, suggests a late Kungurian (latest Cisuralian) age for the Pizzo del Diavolo formation. It includes the youngest and most diverse non-synapsid amniote ichnofauna of the Cisuralian with five different ichnogenera and possibly six ichnospecies, and thus constitutes a key area for the study of eureptile and parareptile dispersal at low latitudes of Pangaea in the time span that immediately pre-dates the first therapsid synapsid radiation.

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Transition between terrestrial-submerged walking and swimming revealed by Early Permian amphibian trackways and a new proposal for the nomenclature of compound trace fossils

Cited by 24 publications

References 35 publications

Palaeoenvironmental reconstruction and early Permian ichnoassemblage from the NE Iberian Peninsula (Pyrenean Basin)

Palaeoenvironmental reconstruction and early Permian ichnoassemblage from the NE Iberian Peninsula (Pyrenean Basin)

Permian tetrapod footprints from the Spanish Pyrenees

New occurrences of tetrapod ichnotaxa from the Permian Orobic Basin (Northern Italy) and critical discussion of the age of the ichnoassociation

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