The Balang Fauna―A new early Cambrian Fauna from Kaili City, Guizhou Province

Jin, Peng; Zhao, Yuanlong; Wu, Yijin; Yuan, Junhua; Tongshu, Tai

doi:10.1360/982005-183

Cited by 57 publications

(40 citation statements)

References 3 publications

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“…They are similar to Sphenotallus Hall, 1847 and Byronia Matthew, 1899 also known from the Cambrian Series 2 and may be cnidarians as well, but do not show budding typical of the Cnidaria (Neal & Hannibal, 2000;Van Iten, Zhu & Collins, 2002;Van Iten et al 2005;Peng et al 2005). Hyolithelminths are alternatively compared to annelid tubes (Fisher, 1962;Kiel & Dando, 2009;Johnston et al 2009;Skovsted & Peel, 2011).…”

Section: B5 Hyolithelminthsmentioning

confidence: 67%

Chronology of early Cambrian biomineralization

et al. 2011

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-Data on the first appearances of major animal groups with mineralized skeletons on the Siberian Platform and worldwide are revised and summarized herein with references to an improved carbon isotope stratigraphy and radiometric dating in order to reconstruct the Cambrian radiation (popularly known as the 'Cambrian explosion') with a higher precision and provide a basis for the definition of Cambrian Stages 2 to 4. The Lophotrochozoa and, probably, Chaetognatha were first among protostomians to achieve biomineralization during the Terreneuvian Epoch, mainly the Fortunian Age. Fast evolutionary radiation within the Lophotrochozoa was followed by radiation of the sclerotized and biomineralized Ecdysozoa during Stage 3. The first mineralized skeletons of the Deuterostomia, represented by echinoderms, appeared in the middle of Cambrian Stage 3. The fossil record of sponges and cnidarians suggests that they acquired biomineralized skeletons in the late Neoproterozoic, but diversification of both definite sponges and cnidarians was in parallel to that of bilaterians. The distribution of calcium carbonate skeletal mineralogies from the upper Ediacaran to lower Cambrian reflects fluctuations in the global ocean chemistry and shows that the Cambrian radiation occurred mainly during a time of aragonite and high-magnesium calcite seas.

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Section: B5 Hyolithelminthsmentioning

confidence: 67%

Chronology of early Cambrian biomineralization

et al. 2011

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“…As revised, some whole or partial specimens that were previously assigned to A. chauveaui are now referred to Oryctocarella duyunensis Qian, 1961(e.g., Qian, 1961Lu and Qian, 1964;Zhou et al, 1977;Zhang et al, 1980;Lane et al, 1988;Blaker and Peel, 1997;Yuan et al, 2002Yuan et al, , 2006McNamara et al, 2003;Geyer, 2005;Peng et al, 2005aPeng et al, , 2005b. Lu et al, 1974 Figure 5 1974 Holotype.-Exoskeleton (NIGP 38234, Fig.…”

Section: Systematic Paleontologymentioning

confidence: 99%

Revision of the oryctocephalid trilobite generaArthricocephalusBergeron andOryctocarellaTomashpolskaya and Karpinski (Cambrian) from South China and Siberia

Peng¹,

Babcock²,

Zhu³

et al. 2017

J. Paleontol.

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Abstract.-Restudy of the limestone slab containing the type suite of Arthricocephalus chauveaui Bergeron, 1899 (Trilobita), the type species of Arthricocephalus Bergeron, 1899, shows that specimens of three species, each representing a separate genus, are present on the slab and were likely included in the original concept of the species. Besides A. chauveaui, the slab contains specimens of Oryctocarella duyunensis (Qian, 1961) and Duyunaspis duyunensis Zhang and Qian in Zhou et al., 1977. Bergeron (1899 illustrated one exoskeleton from the type suite of A. chauveaui only and apparently based much of his written description on that specimen. This specimen was clearly intended to be the type specimen of A. chauveaui. Subsequently, Lane et al. (1988) designated another specimen, which was not originally illustrated, as the lectotype, and this specimen is referable to Oryctocarella duyunensis. As revised here, Bergeron's illustrated specimen should be regarded as the lectotype of A. chauveaui. Such designation stabilizes the concepts of both Arthricocephalus and A. chauveaui. Arthricocephalites Qian in Lu et al., 1974 and Haliplanktos Blaker and Peel, 1997 are regarded as junior synonyms of Arthricocephalus. Oryctocarella Tomashpolskaya and Karpinski, 1961, which was previously regarded as a junior synonym of Arthricocephalus, is revived as a valid genus. Oryctocarella includes a number of species previously assigned to Arthricocephalus. The type species of both Arthricocephalus and Oryctocarella, together with related species, are described on the basis of new material.

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“…However, Early Cambrian eocrinoids are rarely documented, especially in China. Up to now, the eocrinoids from the Balang fauna in southeast Guizhou is the only report of the occurrence of this animal group in the Yantze Plateform [7] . Here we report a new occurrence of eocrinoids from the early Cambrian Wulongqing Formation (previously the Wulongqing Member of the Canglanpu Formation [8] ) in the Wuding County, northwest of Kunming Ctiy, Yunnan, China.…”

Section: Eocrinoids Guanshan Fauna Wulongqing Formation Early Cambmentioning

confidence: 99%

“…Previous studies [7,18] of Early and Middle Cambrian eocrinoids suggested that these animals preferred to live in deep and oxygenated slope environments without or with low level of bioturbation. In the Wuding area, the interval containing the eocrinoids is mainly composed of mudstone interbeded with siltstone.…”

Section: Brief Communicationmentioning

confidence: 99%

Eocrinoid echinoderms from the Lower Cambrian Guanshan Fauna in Wuding, Yunnan, China

Luo

Hou

et al. 2007

CHINESE SCI BULL

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This is a brief report of a new occurrence of eocrinoids from the Early Cambrian Wulongqing Formation in Yunnan, China. The eocrinoids from the Guanshan fauna are among the earliest known eocrinoids. Different from many other Early and Middle Cambrian eocrinoids, the Guanshan eocrinoids are characterized by the absence of sutural pores and epispires, the long and spiral brachioles, the extremely long stalk, and the ratio of the length of the stalk versus that of the calyx. The discovery of the eocrinoids from the Guanshan fauna not only provides new information to the investigation of the early evolution of this animal group, but also shed new light on the occurrence and migration of early eocrinoids.

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The Balang Fauna―A new early Cambrian Fauna from Kaili City, Guizhou Province

Cited by 57 publications

References 3 publications

Chronology of early Cambrian biomineralization

Chronology of early Cambrian biomineralization

Revision of the oryctocephalid trilobite generaArthricocephalusBergeron andOryctocarellaTomashpolskaya and Karpinski (Cambrian) from South China and Siberia

Eocrinoid echinoderms from the Lower Cambrian Guanshan Fauna in Wuding, Yunnan, China

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