Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Markuelia"'
Akademický článek
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Autor:
Yunhuan Liu, Yongchun Liang, Xiaowen Liu, Huaqiao （张华侨） Zhang, Qi Wang, Jiaqi Xue, Cheng Chen, Li Chen, Tiequan Shao, Jiachen Qin
Publikováno v:
Journal of Paleontology. 92:87-98
Some rare microscopic cycloneuralians are present in the Cambrian of South China, represented by Eopriapulites and Eokinorhynchus (both early Cambrian), fossil embryos of Markuelia (middle to late Cambrian), and palaeoscolecids (early to late Cambria
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13f430b3676128cc05753b7a10187a16
https://doi.org/10.1017/jpa.2017.40
https://doi.org/10.1017/jpa.2017.40
Akademický článek
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Akademický článek
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Autor:
Xi-Ping Dong, Huaqiao Zhang
Publikováno v:
Science Bulletin. 60:1947-1953
There has been a century-long debate in evolutionary developmental biology about whether the ancestral metazoan was a larva or an adult. Two competing hypotheses have been proposed: the “terminal addition” theory, which assumes the primitiveness
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8a44b99e8c7ae7319d5412275a88954
https://doi.org/10.1007/s11434-015-0886-9
https://doi.org/10.1007/s11434-015-0886-9
Publikováno v:
Evolution & Development. 16:155-165
SUMMARY Morphological phylogenetic analyses suggest that scalidophorans (priapulids, loriciferans, and kinorhynchs) and nematoids (nematodes and nematomorphs) form the ecdysozoan clade Cycloneuralia, which is a sister group to panarthropods. It has b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3c507f4f34f7c5410637d8394939c13
https://doi.org/10.1111/ede.12076
https://doi.org/10.1111/ede.12076
Publikováno v:
Journal of Paleontology. 88:385-394
Fossilized animal embryos from lower Cambrian rocks provide a rare opportunity to study the ontogeny and developmental biology of early animals during the Cambrian explosion. This paper reports possible animal embryos, along with sponge spicules, hyo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1621a107d49d22eeda197fb3642c3c6d
https://doi.org/10.1666/13-062
https://doi.org/10.1666/13-062
Publikováno v:
Palaeontology. 55:613-622
Three-dimensional fragments of palaeoscolecid cuticle have been recovered from the Furongian (upper Cambrian) of Hunan, South China. Extraordinary preserva- tion of the fossils shows exquisite surface details indicating a three-layered structure of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3e426f685c5ddf0ac312b3910a81b52
https://doi.org/10.1111/j.1475-4983.2012.01148.x
https://doi.org/10.1111/j.1475-4983.2012.01148.x
Publikováno v:
Journal of Paleontology. 85:898-903
Extraordinarily rare phosphatized embryos liberated from fossiliferous limestone of the Middle Cambrian (about 500 Myr old) Gaotai Formation of Duyun, southern China, are assigned to Markuelia qianensis n. sp. Several specimens with increasing number
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a90000e496bb251b12e66e9e5336a37f
https://doi.org/10.1666/11-024.1
https://doi.org/10.1666/11-024.1
Publikováno v:
Acta Geologica Sinica - English Edition. 85:81-90
In the light of Synchrotron Radiation X-ray Tomographic Microscopy (SRXTM), the internal structure of Markuelia hunanensis is revealed. In one example, vitrification and peeling show the annuli hidden under the chorion. Sectioning and 3-D reconstruct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5982c31f12da7497dcda8f6598f9f2c
https://doi.org/10.1111/j.1755-6724.2011.00381.x
https://doi.org/10.1111/j.1755-6724.2011.00381.x