Recovery from the end-Permian extinction event: Evidence from “Lilliput Listracanthus”

Mutter, Raoul J.; Neuman, Andrew G.

doi:10.1016/j.palaeo.2009.08.024

Cited by 32 publications

(24 citation statements)

References 15 publications

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“…Actinopterygian fishes were severely affected by the end− Permian mass extinction (Benton and Twitchett 2003;Tong et al 2006) and their recovery in the Early and Middle Triassic was slow, lasting some 10-15 Ma (Mutter 2004;Mutter and Neuman 2009). In Chinese sections, the Perleididae were the first actinopterygian family to recover, in the Lower Triassic, and the rarer Semionotidae, Parasemionotidae, and Saurich− thyidae began to diversify in the Olenekian and Anisian (Wang and Jin 2007).…”

Section: Introductionmentioning

confidence: 99%

A New Basal Actinopterygian Fish from the Anisian (Middle Triassic) of Luoping, Yunnan Province, Southwest China

Wen¹,

Zhang²,

Hu³

et al. 2012

Acta Palaeontologica Polonica

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Section: Introductionmentioning

confidence: 99%

A New Basal Actinopterygian Fish from the Anisian (Middle Triassic) of Luoping, Yunnan Province, Southwest China

Wen¹,

Zhang²,

Hu³

et al. 2012

Acta Palaeontologica Polonica

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“…It provides further evidence that those marine organisms that survive episodes of global warming typically record a temporary decrease in body size in the aftermath of the event, coincident with high temperatures and associated environmental changes such as the expansion of hypoxic conditions discussed above. This ecological response appears to be independent of skeletal mineralogy and is recorded in chordates, such as conodonts (this study) and fi sh (Mutter and Neuman, 2009), invertebrates with phosphatic or calcium carbonate skeletons (e.g., He et al, 2010;Metcalfe et al, 2011), and lightly skeletonized or soft-bodied benthos (Twitchett, 2007). In contrast, climatic cooling is associated with larger body sizes in many marine organisms, for example in Cenozoic planktonic foraminifera (Schmidt et al, 2004).…”

Section: Discussionmentioning

confidence: 59%

“…A number of previous studies have recorded size change in marine groups following the end-Permian mass extinction, including in fi sh (Mutter and Neuman, 2009), conodonts (Luo et al, 2008), brachiopods (He et al, 2010;Metcalfe et al, 2011), and gastropods (Metcalfe et al, 2011). The temporary postextinction size reduction of surviving taxa (i.e., the Lilliput Effect; Urbanek, 1993) is confi ned to the fi rst conodont zone or two of the Induan (Twitchett, 2007;Metcalfe et al, 2011), although a general depression of body size is recorded in many groups through most of the Early Triassic.…”

Section: Discussionmentioning

confidence: 99%

Size variation of conodonts during the Smithian–Spathian (Early Triassic) global warming event

Chen

Twitchett

Richoz

et al. 2013

Geology

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Final recovery of marine ecosystems after the end-Permian mass extinction took several million years, partly due to inhospitable environments and three episodes of further extinction that occurred during the Early Triassic: in the late Griesbachian, near the Smithian-Spathian boundary (SSB), and in the late Spathian. The SSB crisis coincides with an episode of extreme warmth, but has been little studied. This study represents the fi rst stratigraphic and paleoecological analysis of the SSB crisis in the Nanpanjiang Basin, south China, which is a key area for Permian-Triassic studies. A comprehensive, high-resolution stratigraphic framework comprising six conodont zones is provided. Conodonts are an extinct group of marine chordates with a feeding apparatus composed of microscopic "tooth-like" elements. They are one of the fastest-evolving fossil groups, sensitive to environment stress, and are thus an ideal organism to test ecological responses to past episodes of climatic change. Detailed size measurements of 441 conodont elements of the closely related genera Neospathodus, Triassospathodus, and Novispathodus show for the fi rst time that this clade suffered a temporary, but signifi cant, size reduction during the SSB crisis, followed by gradual and steady size increase during the early Spathian. Size reduction of conodonts was caused by an episode of global warming, further strengthening the link between morphological and climatic changes recorded in the fossil record.

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“…4b). Mutter and Neuman (2009) suggested that, based on the lack of enameloid cover and high vascularisation, these spines were not necessarily external structures as suggested by others, but instead resemble the gill rakers of basking sharks. The search for more complete material continues and is needed to shed more light on the identity of these enigmatic structures.…”

Section: Subclass Order and Family Incertae Sedismentioning

confidence: 71%

Fishes from the Lower Triassic portion of the Sulphur Mountain Formation in Alberta, Canada: geological context and taxonomic composition

Neuman

2015

Can. J. Earth Sci.

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The Sulphur Mountain Formation in Alberta, Canada, comprises shales, siltstones, and limestones laid down on the continental shelf and shoreline along the western margin of the North American Craton during the Early and Middle Triassic. At least 13 taxa of fossil marine fishes have been found at a number of Triassic localities along the Front Ranges and foothills in Alberta. Common taxa (Boreosomus, Birgeria, Bobasatrania, Australosomus, Saurichthys, parasemionotids, and coelacanths) found at localities in Alberta are similar to those found at the classic Lower and Middle Triassic localities near Wapiti Lake, British Columbia, and in East Greenland, Spitzbergen, Madagascar, and China. The occurrence of Lower Triassic fishes in western Alberta shows that this fauna was widespread, occurring over at least 1000 km of shoreline, and that ecological and environmental factors were similar along the western edge of the Panthalassic Ocean during the Early Triassic. Résumé : La Formation de Sulphur Mountain en Alberta (Canada) comprend des shales et calcaires déposés sur la plateforme continentale et le littoral le long de la marge occidentale du craton nord-américain, durant le Trias précoce et moyen. Au moins 13 taxons de poissons marins fossiles ont été trouvés en différentes localités triasiques le long des chaînons frontaux et des contreforts des Rocheuses en Alberta. Des taxons répandus (Boreosomus, Birgeria, Bobasatrania, Australosomus, Saurichthys, parasémionotidés et coelacanthes) trouvés dans des localités en Alberta sont semblables à ceux observés dans les localités classiques du Trias inférieur et moyen près du lac Wapiti (Colombie-Britannique) et dans l'est du Groenland, au Spitzberg, à Madagascar et en Chine. La présence de poissons du Trias inférieur dans l'ouest de l'Alberta montre que cette faune était répandue, couvrant au moins 1000 km de littoral, et que des facteurs écologiques et environnementaux semblables prévalaient le long de la bordure ouest de l'océan Panthalassique durant le Trias précoce. [Traduit par la Rédaction]

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Recovery from the end-Permian extinction event: Evidence from “Lilliput Listracanthus”

Cited by 32 publications

References 15 publications

A New Basal Actinopterygian Fish from the Anisian (Middle Triassic) of Luoping, Yunnan Province, Southwest China

A New Basal Actinopterygian Fish from the Anisian (Middle Triassic) of Luoping, Yunnan Province, Southwest China

Size variation of conodonts during the Smithian–Spathian (Early Triassic) global warming event

Fishes from the Lower Triassic portion of the Sulphur Mountain Formation in Alberta, Canada: geological context and taxonomic composition

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