Outputs (5)

Sclerites and possible mouthparts of Wiwaxia from the temperate palaeolatitudes of Colombia, South America (2015)
Journal Article
Smith, M., Hughes, G. M., Vargas, M. C., & de La Parra, F. (2016). Sclerites and possible mouthparts of Wiwaxia from the temperate palaeolatitudes of Colombia, South America. Lethaia: An International Journal of Palaeontology and Stratigraphy, 49(3), 393-397. https://doi.org/10.1111/let.12154

The problematic mollusc Wiwaxia is perhaps the most widely distributed non-mineralized Cambrian metazoan, but has only been reported from palaeotropical latitudes. Here, we describe mid-Cambrian (Drumian, c. 504 Ma) sclerites and possible tooth array... Read More about Sclerites and possible mouthparts of Wiwaxia from the temperate palaeolatitudes of Colombia, South America.

A palaeoscolecid worm from the Burgess Shale (2015)
Journal Article
Smith, M. (2015). A palaeoscolecid worm from the Burgess Shale. Palaeontology, 58(6), 45-58. https://doi.org/10.1111/pala.12210

Palaeoscolecid worms are a ubiquitous group of Early Palaeozoic ecdysozoans that are curiously lacking in the archetypal Cambrian Lagerstätten, the Burgess Shale. Here I describe Scathascolex minor gen. et sp. nov, the first unequivocal palaeoscoleci... Read More about A palaeoscolecid worm from the Burgess Shale.

New reconstruction of the Wiwaxia scleritome, with data from Chengjiang juveniles (2015)
Journal Article
Zhang, Z., Smith, M., & Shu, D. (2015). New reconstruction of the Wiwaxia scleritome, with data from Chengjiang juveniles. Scientific Reports, 5, Article 14810. https://doi.org/10.1038/srep14810

Wiwaxiids are a problematic group of scale-covered lophotrochozoans known from Cambrian Stages 3–5. Their imbricating dorsal scleritome of leaf-like scales has prompted comparison with various annelids and molluscs, and has been used as a template to... Read More about New reconstruction of the Wiwaxia scleritome, with data from Chengjiang juveniles.

Hallucigenia’s head and the pharyngeal armature of early ecdysozoans (2015)
Journal Article
Smith, M., & Caron, J. (2015). Hallucigenia’s head and the pharyngeal armature of early ecdysozoans. Nature, 523(7558), 75-78. https://doi.org/10.1038/nature14573

The molecularly defined clade Ecdysozoa1 comprises the panarthropods (Euarthropoda, Onychophora and Tardigrada) and the cycloneuralian worms (Nematoda, Nematomorpha, Priapulida, Loricifera and Kinorhyncha). These disparate phyla are united by their m... Read More about Hallucigenia’s head and the pharyngeal armature of early ecdysozoans.

The macro-and micro-fossil record of the Cambrian priapulid Ottoia (2015)
Journal Article
Smith, M., Harvey, T., & Butterfield, N. (2015). The macro-and micro-fossil record of the Cambrian priapulid Ottoia. Palaeontology, 58(4), 705-721. https://doi.org/10.1111/pala.12168

The stem-group priapulid Ottoia Walcott, 1911, is the most abundant worm in the mid-Cambrian Burgess Shale, but has not been unambiguously demonstrated elsewhere. High-resolution electron and optical microscopy of macroscopic Burgess Shale specimens... Read More about The macro-and micro-fossil record of the Cambrian priapulid Ottoia.