Professor David Harper

Late Ordovician Brachiopods from West-Central Alaska: systematics, ecology and palaeobiogeography (2012)
Book
Rasmussen, C., Harper, D., & Blodgett, R. (2012). Late Ordovician Brachiopods from West-Central Alaska: systematics, ecology and palaeobiogeography. Wiley

The oldest brachiopods from the lower Cambrian of South Australia. (2012)
Journal Article
Topper, T., Holmer, L., Skovsted, C., Brock, G., Balthasar, U., Larsson, C., …Harper, D. (2012). The oldest brachiopods from the lower Cambrian of South Australia. Acta Palaeontologica Polonica, 58(1), 93-109. https://doi.org/10.4202/app.2011.0146

The morphology and organophosphatic shell structure of the paterinate brachiopod Askepasma is documented using new and previously collected specimens from the lower Cambrian of South Australia. Lack of adequately preserved material has seen the major... Read More about The oldest brachiopods from the lower Cambrian of South Australia..

Shell malformations in seven species of pond snail (Gastropoda, Lymnaeidae): analysis of large museum collections (2012)
Journal Article
Zuykov, M., Vinarski, M., Pelletier, E., Demers, S., & Harper, D. (2012). Shell malformations in seven species of pond snail (Gastropoda, Lymnaeidae): analysis of large museum collections. Zoosystematics and Evolution, 88(2), 365-368. https://doi.org/10.1002/zoos.201200025

A primitive cladid crinoid from the Jiacun Group, Tibet (Darriwilian, Middle Ordovician) (2012)
Journal Article
Donovan, S., Harper, D., Renbin, Z., Stemmerik, L., Jianbo, L., & Stouge, S. (2012). A primitive cladid crinoid from the Jiacun Group, Tibet (Darriwilian, Middle Ordovician). Geological Journal, 47, 653-660. https://doi.org/10.1002/gj.2436

Late Ordovician massive-bedded Thalassinoides ichnofacies along the palaeoequator of Laurentia (2012)
Journal Article
of Laurentia. Palaeogeography, Palaeoclimatology, Palaeoecology, 367-368, 73-88. https://doi.org/10.1016/j.palaeo.2011.05.023

Nonbiomineralized carapaces in Cambrian seafloor landscapes (Sirius Passet, Greenland): Opening a new window into early Phanerozoic benthic ecology. (2012)
Journal Article
Mangano, M., Bromley, R., Harper, D., Nielsen, A., Smith, M., & Vinther, J. (2012). Nonbiomineralized carapaces in Cambrian seafloor landscapes (Sirius Passet, Greenland): Opening a new window into early Phanerozoic benthic ecology. Geology, 40(6), 519-522. https://doi.org/10.1130/g32853.1

A sulfidic driver for the end-Ordovician mass extinction. (2012)
Journal Article
Hammarlund, E., Dahl, T., Harper, D., Bond, D., Nielsen, A., Bjerrum, C., …Canfield, D. (2012). A sulfidic driver for the end-Ordovician mass extinction. Earth and Planetary Science Letters, 331-332, 128-139. https://doi.org/10.1016/j.epsl.2012.02.024

Outputs (7)