Publications


Almost a spider: a 305-million-year-old fossil arachnid and spider origins

Type: Peer Reviewed Research Paper Journal: Proceedings of the Royal Society of London B: Biological Sciences Year: March 30 2016 Authors: Garwood RJ, Dunlop JA, Selden PA, Spencer ART, Atwood RC, Vo NT, Drakopoulous M DOI http://dx.doi.org/10.1098/rspb.2016.0125 Abstract: Spiders are an important animal group, with a long history. Details of their origins remain limited, with little […]


Middle Jurassic evidence for the origin of Cupressaceae: A paleobotanical context for the roles of regulatory genetics and development in the evolution of conifer seed cones

Type: Peer Reviewed Research Paper Journal: American Journal of Botany Year: June 1, 2015 Authors: Spencer ART, Mapes G, Bateman RM, Hilton J, Rothwell GW DOI http://dx.doi.org/10.3732/ajb.1500121 Abstract: Premise of the study: Triassic and Jurassic fossils record structural changes in conifer seed cones through time, provide the earliest evidence for crown-group conifer clades, and further clarify sister-group […]


X-ray Synchrotron Microtomography of a silicified Jurassic Cheirolepidiaceae (Conifer) cone: histology and morphology of Pararaucaria collinsonae sp. nov.

Type: Peer Reviewed Research Paper Journal: PeerJ Year: October 23, 2014 Authors: Steart DC, Spencer ART, Garwood RJ, Hilton J, Munt MC, Needham J, Kenrick P DOI http://dx.doi.org/10.7717/peerj.624 Abstract: We document a new species of ovulate cone (Pararaucaria collinsonae) on the basis of silicified fossils from the Late Jurassic Purbeck Limestone Group of southern England (Tithonian […]


Is amber altered by microCT or confocal microscopy studies? A risk assessment using optical microscopy, FTIR and Raman spectroscopy

Type: Peer Reviewed Research Paper Journal: Studies in Conservation Year: Submitted Authors: Bertini M, Ball AD, Mellish C, Burgio L, Shah B, Pretzel B, Blagoderov V, Goral T, Sykes D, Summerfield R, Steart DC, Garwood RJ, Spencer ART, Ross A, Penney D. DOI Awaiting DOI Abstract: Awaiting Acceptance


Species of the medullosan ovule Stephanospermum from the Lopingian (late Permian) floras of China

Type: Peer Reviewed Research Paper Journal: Journal of Asian Earth Sciences Year: 2013 Authors: Spencer ART, Wang S-J, Dunn MT, Hilton J. DOI 10.1016/j.jseaes.2013.07.030 Abstract: The medullosan pteridosperm ovule Stephanospermum Brongniartis a well-known component of Carboniferous aged coal-ball and siderite nodule floras from North America and Europe but also occurs in the Permian floras of Cathaysia […]


Combined methodologies for three-dimensional reconstruction of fossil plants preserved in siderite nodules: Stephanospermum braidwoodensis nov. sp. (Medullosales) from the Mazon Creek lagerstätte

Type: Peer Reviewed Research Paper Journal: Review of Palaeobotany and Palynology Year: 2013 Authors: Spencer ART, Hilton J, Sutton MD DOI 10.1016/j.revpalbo.2012.09.001 Abstract: A new species of Medullosan ovule from the Mazon Creek Carboniferous lagerstätte is documented using a novel combination of non-invasive X-Ray Micro-Tomography (XMT) and orientated precision sectioning based on the XMT results.  […]