Ambrose Burnside | mudstone | Iain Burnside | Burnside | R. L. Burnside | Burnside Street | Burnside Skatepark | Whitby Mudstone Formation | David Burnside | Burnside Park | Burnside, Otago | Thomas Burnside | the lemma that is not Burnside's | Mercia Mudstone Group | John Burnside | City of Burnside | Charge of the 51st New York and 51st Pennsylvania regiments across Burnside's Bridge, by Edwin Forbes | Cara-Beth Burnside | Burnside, South Australia | Burnside's North Carolina Expedition | Burnside's Bridge | Burnside Park, Christchurch | Burnside High School | Burnside Fountain | Burnside Avenue | Brenda Burnside |
The other described New Zealand species, P. marplesi, is known from parts of a skeleton, mainly leg bones, from the Middle or Late Eocene Burnside Mudstone (34 to 40 MYA) at Burnside, Dunedin.
This species is known from a partial skeleton, mainly leg bones (Otago Museum C.50.25 to C.50.45), recovered from Middle or Late Eocene Burnside Mudstone rocks (34-40 MYA) at Burnside, Dunedin.