Middle–Late Ordovician chitinozoans from Songliang of Qiaojia, western South China, and their biostratigraphic implications

Yan, Luguang; Tang, Peng; Wang, Guangxu; Yan, Guanzhou; Wang, Qian

doi:10.1016/j.palwor.2021.11.003

Cited by 14 publications

(3 citation statements)

References 43 publications

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“…In the Gondwana/periGondwana palaeo-province, it has been recorded from the Armoricain Quartzite, Andouillé, and Pissot formations of France and the Cacemes Formation of Rio Mondego, Portugal (Paris 1981); Tachilla Formation of Anti-Atlas, Morocco (Elaouad-Debbag 1984); upper Floian–Dapingian in the Upper Shale Member of the Zardkuh Formation, the High Zagros Mountains, southeastern Iran (Ghavidel-Syooki 2021); late Floian–Dapingian of the Algerian Sahara (Paris 1981). In South China, Lagenochitina obeligis has been widely recorded in the uppermost Tremadocian–Dapingian (Liang et al 2020); and the Dapingian–early Darriwilian, western South China (Liang et al 2021a). Furthermore, some distinctive acritarchs such as Arbusculidium filamentosum (Vavrdová 1965) Vavrdová, 1972; Coryphidium behomicum (Vavrdová 1972) Servais et al, 2008; Aureotesta clathrata var.…”

Section: Biostratigraphy Of the Chitinozoan Faunasmentioning

confidence: 99%

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Biostratigraphy and palaeogeographic implications of Ordovician and Silurian chitinozoa from the High Zagros Mountains, Northern Persian Gulf, Iran

Ghavidel‐Syooki

2022

Palynology

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A siliciclastic succession is exposed at the Faraghan mountain, northern Persian Gulf, southeastern Iran. A detailed, high-resolution palynological analysis was performed on the Zardkuh, Seyahou, Dargaz, and Sarchahan formations to verify the exact age and palaeogeographic position of the High Zagros Mountains. Two hundred surface samples from this succession were collected and analysed. Most samples yielded abundant and well-preserved chitinozoans, acritarchs, scolecodonts, and cryptospores. Fifty-three chitinozoan species (21 genera) were identified that permitted to establish the

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Section: Biostratigraphy Of the Chitinozoan Faunasmentioning

confidence: 99%

“…al. 2020); and the Dapingian-early Darriwilian, western South China(Liang et al 2021a). Furthermore, some distinctive acritarchs such as Arbusculidium filamentosum (Vavrdov a 1965) Vavrdov a, 1972; Coryphidium behomicum (Vavrdov a 1972)Servais et al, 2008; Aureotesta clathrata var.…”

mentioning

confidence: 99%

Biostratigraphy and palaeogeographic implications of Ordovician and Silurian chitinozoa from the High Zagros Mountains, Northern Persian Gulf, Iran

Ghavidel‐Syooki

2022

Palynology

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“…The interpretation of the sturgeon maxilla as a dermopalatine has been uncritically accepted by the majority of researchers and shortly spread across diverse fields of sturgeon and paddlefish research (Bemis et al, 1997; Carroll & Wainwright, 2003; Eagderi et al, 2015; Eshaghzadeh et al, 2017; Findeis, 1997; Gardiner et al, 2005; Grande & Hilton, 2006; Hilton et al, 2011, 2015, 2020, 2021; Hilton & Forey, 2009; Hilton & Schaefer, 2002; Jin, 1999; Lu et al, 2005; Pospisilova et al, 2021; Smith et al, 2015; Warth et al, 2017). The only attempt to challenge this view was that by Datovo and Rizzato (2018), but without affecting the prevailing terminology (e.g.…”

Section: Introductionmentioning

confidence: 99%

What is missing from the sturgeon jaw: Developmental morphology of the upper jaw in Acipenser

Tsessarsky

2023

Journal of Anatomy

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Sturgeons belong to the family Acipenseridae, the most species‐rich extant family of Acipenseriformes, a basal actinopterygian group of key importance in assessing the early radiations of the actinopterygians. At the same time, acipenseriforms display unique specializations in the morphology of the snout and jaws which make them a valuable model for studying evolutionary novelties. However, despite a long history of research, the homologies of the snout and the mandibular arch of acipenseriforms remain uncertain preventing further studies on the evolutionary origin of their unique snout and jaw structure, and in particular, of the upper jaw symphysis, the key apomorphy of the group and the preoral snout. In the present study, a detailed description of the upper jaw morphology and development in sturgeons is provided in order to address its composition in terms of the common actinopterygian archetype. Based on the obtained results, the upper jaw of acipenseriforms is assumed to have lost the autopalatine portion, which most likely is represented by the separate cartilages supporting the tentacles. Also, the conventional interpretation of the sturgeon's maxilla as dermopalatine is rejected on the grounds of this bone structure and development. Paedomorphosis is proposed to be the most likely mechanism explaining the evolutionary origin of the upper jaw symphysis and supposed modifications of the snout in sturgeons.

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Ordovician integrative stratigraphy, biotas, and paleogeographical evolution of the Qinghai-Tibetan Plateau and its surrounding areas

Fang,

Zhen,

Wang

et al. 2024

Sci. China Earth Sci.

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Middle–Late Ordovician chitinozoans from Songliang of Qiaojia, western South China, and their biostratigraphic implications

Cited by 14 publications

References 43 publications

Biostratigraphy and palaeogeographic implications of Ordovician and Silurian chitinozoa from the High Zagros Mountains, Northern Persian Gulf, Iran

Biostratigraphy and palaeogeographic implications of Ordovician and Silurian chitinozoa from the High Zagros Mountains, Northern Persian Gulf, Iran

What is missing from the sturgeon jaw: Developmental morphology of the upper jaw in Acipenser

Ordovician integrative stratigraphy, biotas, and paleogeographical evolution of the Qinghai-Tibetan Plateau and its surrounding areas

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