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by Benton, Michael J.; Harper, David A. T.
by Liljeroth, Maria; Harper, David A. T.; Carlisle, Hilary; et al.
by Harper, David A. T.
by Harper, David A. T.; Long, Sarah L.; Nielsen, Claus
by Rasmussen, Christian M. O.; Harper, David A. T.; Blodgett, Robert B.
by Kaethler, Andrew T. J.; Mitralexis, Sotiris; Baker, Matthew; et al.
by Edler, Joel T.; Harper, David C.
by Michael J. Benton (University of Bristol); David A. T. Harper (Natural History Museum of Denmark, University of Copenhagen)