globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2015.04.029
论文题名:
Role of environmental change in rock-boring echinoid trace fossils
作者: Santos A.; Mayoral E.; Dumont C.P.; da Silva C.M.; Ávila S.P.; Baarli B.G.; Cachão M.; Johnson M.E.; Ramalho R.S.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2015
卷: 432
起始页码: 1
结束页码: 14
语种: 英语
英文关键词: Compound trace fossils ; Echinoid bioerosion ; Ericichnus igen. n. ; Non-sedimentary rocks ; Palaeoclimatic changes ; Palaeorocky-shores
英文摘要: Well preserved groove-borings related to the boring activity of regular sea urchins are preserved on Neogene rocks associated with rocky palaeoshores in a volcanic oceanic island (Santa Maria, Azores archipelago) and a continental margin (Foz da Fonte, Central West Portugal).The new trace fossil consists of a series of relatively deep grooves, with sinuous pathway and with a fairly uniform width along its trajectory. A series of forward oriented concave markings occur frequently inside the grooves, reflecting the movement direction of the producer. The trace fossil is designated as Ericichnus igen. n. with two new ichnospecies, Ericichnus bromleyi isp. n. and Ericichnus asgaardi isp. n. Ericichnus igen. n. could have been produced by regular echinoids, similar to the extant echinometrid echinoid Echinometra lucunter (. Linnaeus, 1758) for E. bromleyi isp. n. and similar to the echinid Paracentrotus lividus Lamarck, 1816 for E. asgaardi isp. n. Ethologically, the compound trace fossil Ericichnus igen. n-. Circolites may correspond to an agrichnion-pascichnion and/or domichnion. Our study suggests that the new ichnospecies E. bromleyi may be used as a palaeoenvironmental tool, indicating the boring activity of termophile rock-boring echinoids in the fossil record. © 2015 Elsevier B.V..
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68906
Appears in Collections:过去全球变化的重建

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作者单位: Departamento de Geodinámica y Paleontología, Facultad de Ciencias Experimentales, Universidad de Huelva, Campus de el Carmen, Avda. 3 de Marzo, s/n, Huelva, Spain; MER-SEA, 39 Tung Wan Tau, Mui Wo, Hong Kong; Instituto Dom Luiz e Departamento de Geologia, Faculdade de Ciencias, Universidade de Lisboa, Campo Grande, Lisboa, Portugal; CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado e Departamento de Biologia, Pólo dos Açores, Universidade dos Açores, Campus de Ponta Delgada, Apartado 1422, Ponta Delgada, Azores, Portugal; Faculdade de Ciências da Universidade do Porto, Rua Campo Alegre 1021/1055, Porto, Portugal; Department of Geosciences, Williams College, Williamstown, MA, United States; School of Earth Sciences, University of Bristol, Wills Memorial Building, Queen's Road, Bristol, United Kingdom

Recommended Citation:
Santos A.,Mayoral E.,Dumont C.P.,et al. Role of environmental change in rock-boring echinoid trace fossils[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2015-01-01,432
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