Zobrazeno 1 - 10
of 12
pro vyhledávání: '"COLIN D. SPROAT"'
Publikováno v:
Rivista Italiana di Paleontologia e Stratigrafia, Vol 125, Iss 3 (2019)
The atrypide brachiopod Rongatrypa Popov & Cocks, 2014 is one of the early members of the subfamily Clintonellinae. This genus was previously known only from the Kazakh terranes. Here, we reassign a species to the genus, Rongatrypa xichuanensis (Xu,
Externí odkaz:
https://doaj.org/article/a5f77a298054464b8b9da524a06e0f25
Publikováno v:
Journal of Paleontology. :1-10
The atrypide brachiopod Qilianotryma Xu in Jin et al., 1979 is an early member of the subfamily Spirigerininae initially described from the Katian (Upper Ordovician) Koumenzi Formation of the Qilian Mountains, Qaidam terrane, Northwest China. Qiliano
Autor:
Colin D. Sproat, Jessica S.A. McLeod
Publikováno v:
Journal of Paleontology. 97:292-317
The morphology of Zygospira, an early atrypide brachiopod, was analyzed using a multivariate approach. Principal component analysis and discriminant analysis clearly differentiated species as they are currently defined primarily based on differences
Autor:
Yu-Chen (张雨晨) Zhang, Xiao-Cong (栾晓聪) Luan, Colin D. Sproat, Bing (黄冰) Huang, Renbin (詹仁斌) Zhan
Publikováno v:
Journal of Paleontology. 94:467-474
An example of parasitic drilling in a rhynchonelliform brachiopod is described from the Shiyanhe Formation (Katian, Upper Ordovician) of Henan, central China. The boring extends into the shell almost perpendicular to the surface. The shell has been s
Autor:
Colin D. Sproat, Renbin Zhan
Publikováno v:
Journal of Paleontology. 93:1075-1087
The atrypide brachiopod Schachriomonia is documented here for the first time from the upper Katian Hadabulaktag Formation on the northeastern edge of Tarim Basin in Northwest China. These shells are conspecific with the earlier reported Rhynchotrema
Autor:
Bing (黄冰) Huang, Renbin (詹仁斌) Zhan, Colin D. Sproat, Yu-Chen (张雨晨) Zhang, Xiao-Cong (栾晓聪) Luan, Weimin Zhang
Publikováno v:
PALAIOS. 34:248-253
The design of the classic Croft parallel grinder from 1950 was updated to improve usability and better facilitate the imaging and reconstruction of specimens. The grinder is capable of producing thin slices to 10–30 lm. Specimens as large as 37 mm
Autor:
Renbin Zhan, Colin D. Sproat
Publikováno v:
Journal of Paleontology. 92:1005-1017
Altaethyrella tarimensis, a new species of rhynchonellide brachiopod, is described from the late Katian (Late Ordovician) Hadabulaktag Formation in the Kuruktag region of Xinjiang, Northwest China on the northeastern edge of the Tarim Basin. Serial s
Autor:
Colin D. Sproat, Jisuo Jin
Publikováno v:
Palaeogeography, Palaeoclimatology, Palaeoecology. 487:105-117
During the late Sandbian and early to middle Katian, a major marine transgression flooded the intracratonic basins and platforms of eastern North America, allowing brachiopods to disperse into the newly formed epicontinental seas. Two main brachiopod
Autor:
Jisuo Jin, Colin D. Sproat
Publikováno v:
Palaeoworld. 25:647-661
Plectorthis is a commonly reported Late Ordovician brachiopod genus from Laurentia and several other tectonic plates. Examination of shells from the Cincinnati Arch type area shows that species previously assigned to the genus have a considerable ran
Publikováno v:
Palaeoworld. 24:160-175
Bivariate and multivariate analyses of well-preserved specimens of four species of the Ordovician–Silurian brachiopod genus Parastrophina from eastern North America, the Tarim Basin of Northwest China, and Kazakhstan revealed that the subelliptical