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您的检索式：作者名="Martyn Lee Golding"
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| 1 | Early Anisian(Middle Triassic)Conodonts from Romania and China,with Comments on Their Role in the Recognition and Correlation of the Base of the Anisian显示文摘The Olenekian-Anisian Boundary(OAB)interval is an important time in Earth history,reflecting the last phase of marine ecosystem recovery in the aftermath of the end-Permian mass extinction.Despite this,the Global Stratotype Section and Point(GSSP)for the base of the Anisian remains undefined.The first appearance of the conodont Chiosella timorensis has been proposed as a potential index for the boundary;however,the discovery of this conodont with ammonoids traditionally considered to be Spathian has generated doubts about its suitability.The taxonomy and relationships of early Anisian conodonts,including species of Chiosella,remain understudied,which leads to difficulties in correlation.New species of Neogondolella(N.gradinarui)and Magnigondolella(M.n.sp.D)have been recognized from the leading GSSP candidate section for the OAB at De?li Caira,and from an additional OAB section at Guandao.Furthermore,several species previously identified in Canada and the USA can be recognized from these sections,improving correlation between Tethys and North America.One of these species may serve as a suitable alternative proxy for the OAB;for instance,N.curva appears just below the first Anisian ammonoids in De?li Caira,and just above the first appearance of C.timorensis in both De?li Caira and Guandao.Continued work on sections other than the candidate sections,and on the taxonomy of species outside of those traditionally proposed as indices,is required. | Martyn Lee Golding | 2021 | Journal of Earth Science2021，32，3： | 1 |
| 2 | Preface显示文摘Conodonts are elements of a feeding apparatus of jawless eel-like animals belonging to the clade Vertebrata.They are very important microfossils,ubiquitous in the Paleozoic and Early Mesozoic marine sequences,and they occurred in different habitats,from deep-ocean to shallow-shelf waters. | Manuel Rigo Martyn Lee Golding Haishui Jiang | 2021 | Journal of Earth Science2021，32，3： | 0 |
| 3 | Middle Triassic(Anisian)Conodont Biostratigraphy at the Shaiwa Section,Guizhou,South China显示文摘The Nanpanjiang Basin is a key area for paleontological and biostratigraphical study of the Middle Triassic.Herein we studied Middle Triassic conodonts from a well-exposed section,the Shaiwa Section,which is located at the northwest end of the Nanpanjiang Basin.A total of six Anisian conodont zones are recognized;in ascending order,they are:the Nicoraella germanica Zone,the Nicoraella kockeli Zone,the Paragondolella bulgarica Zone,the Neogondolella constricta Zone,the Neogondolella cornuta Zone,and the Paragondolella excelsa Zone,respectively.The first occurrence of Nicoraella kockeli defines the Bithynian-Pelsonian boundary.The Pelsonian-Illyrian boundary is defined by the first occurrence of Neogondolella constricta.The Anisian-Ladinian boundary cannot be recognized at the Shaiwa Section due to the absence of conodont indicative of the Ladinian.However,the new conodont data indicate that the uppermost strata could be very close to the boundary.The abrasion of conodont surfaces provides evidence for demonstrating reworking at the Shaiwa Section,which makes some conodonts possess a longer stratigraphic range than previously recorded.The variation in relative abundance between blade-shaped conodonts and platform conodonts indicates that segminiplanate elements probably preferred deeper and oxygenated environments whereas a restricted marine environment is more suitable for segminate elements. | Binxian Qin Martyn Lee Golding Haishui Jiang Yan Chen Muhui Zhang Li Kang Dacheng Wang Jinling Yuan | 2021 | Journal of Earth Science2021，32，3： | 0 |
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