Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/25071
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dc.contributor.authorCusack, Maggieen_UK
dc.contributor.authorWilliams, Alwynen_UK
dc.date.accessioned2017-03-03T23:34:38Z-
dc.date.available2017-03-03T23:34:38Zen_UK
dc.date.issued2001-09en_UK
dc.identifier.urihttp://hdl.handle.net/1893/25071-
dc.description.abstractThe laminar dorsal valve of living Neocrania consists of: a primary layer of rhombohedral tablets, composed of granular calcite and commonly forming slats orthogonal to the margin, associated with polysaccharides and a fibrous 60 kDa protein; and a secondary layer of spirally growing (10.4) rhombohedra, doped with the 60 kDa protein and interleaved with membranes of a fibrous 44 kDa protein. The ventral valve consists exclusively of a primary layer with the same composition and basic structure as that of the dorsal valve. Investigation of selected antecedents shows that the chemico-structure of the Neocrania shell has been virtually unchanged since the first appearance of the stock in the Early Ordovician (Arenig). The greatest phylogenetic change affected the ventral valve that varied, even in Ordovician genera, from a film of calcitic blades to a complete succession of primary and secondary laminae. The most profound diagenetic changes occured before the Late Cretaceous with proteins degrading into peptides that were dispersed, with the loss of less stable amino acids, during laminar recrystallization. Palaeozoic shells suffered further recrystallization but, even after pressure solution, the original laminar fabric was replicated long after it had lost its constraining organic membranes.en_UK
dc.language.isoenen_UK
dc.publisherWiley-Blackwellen_UK
dc.relationCusack M & Williams A (2001) Evolutionary and diagenetic changes in the chemico-structure of the shell of cranioid brachiopods. Palaeontology, 44 (5), pp. 875-903. https://doi.org/10.1111/1475-4983.00206en_UK
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.rights.urihttp://www.rioxx.net/licenses/under-embargo-all-rights-reserveden_UK
dc.subjectOrganoclastic shell structuresen_UK
dc.subjectshell degredationen_UK
dc.subjectprotein diagenesisen_UK
dc.titleEvolutionary and diagenetic changes in the chemico-structure of the shell of cranioid brachiopodsen_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2997-10-31en_UK
dc.rights.embargoreason[Cusack_et_al-2001-Palaeontology.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.identifier.doi10.1111/1475-4983.00206en_UK
dc.citation.jtitlePalaeontologyen_UK
dc.citation.issn1475-4983en_UK
dc.citation.issn0031-0239en_UK
dc.citation.volume44en_UK
dc.citation.issue5en_UK
dc.citation.spage875en_UK
dc.citation.epage903en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.author.emailmaggie.cusack@stir.ac.uken_UK
dc.citation.date25/11/2003en_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationUniversity of Glasgowen_UK
dc.identifier.isiWOS:000171338300005en_UK
dc.identifier.scopusid000171338300005en_UK
dc.identifier.wtid540683en_UK
dc.contributor.orcid0000-0003-0145-1180en_UK
dcterms.dateAccepted2003-11-25en_UK
dc.date.filedepositdate2017-03-03en_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorCusack, Maggie|0000-0003-0145-1180en_UK
local.rioxx.authorWilliams, Alwyn|en_UK
local.rioxx.projectInternal Project|University of Stirling|https://isni.org/isni/0000000122484331en_UK
local.rioxx.freetoreaddate2997-10-31en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/under-embargo-all-rights-reserved||en_UK
local.rioxx.filenameCusack_et_al-2001-Palaeontology.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source0031-0239en_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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