Pachydermata

Pachydermata, hoofed animals with thick skins and non-ruminant, such as the elephant and the hog.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Pachomius, St. * Pacific Ocean
[wait for the fun]
Oxford
Oxford School
Oxford University
Oxfordshire
Oxus
Oxygen
Oyer and Terminer
Ozone
Pache, Jean
Pachomius, St.
Pachydermata
Pacific Ocean
Packhard
Pactolus
Pacuvius
Padang
Paderewski, Ignace Jan
Padilla, Juan Lopez de
Padishah
Padua
Pæstum