Paracimexomys

Species

• Paracimexomys magister also known as Cimexomys magister- Remains were found in the Upper Santonian of Utah, USA. The animal probably weighed about 100g when it was alive.
• Paracimexomys magnus also known as Cimexomys magnus- Found in the Campanian strata of the Judith River Formation in Montana, USA.
• Paracimexomys priscus- Fossil remains were found in the Maastrichtian of Hell Creek, Montana. Remains were first found in 1966. The holotype is in the collection of the University of Alberta, where the name Cimexomys is favoured. Weight is estimated to have been 60g.

  Misassigned species

• Paracimexomys crossi- Remains have been found in the Middle Cretaceous Antlers Formation of Oklahoma, USA. Based on a tiny tooth, this was the first reported Oklahoma Mesozoic mammal. It's also the oldest known member of the informal Paracimexomys group. The species name honours the prison officer Bobby Cross, who has found this and other fossils.
• Paracimexomys perplexus- Found in the late Albian to early Cenomanian in the Cedar Mountain Formation of Utah.
• Paracimexomys robisoni- Found in the Middle Cretaceous strata of the Cedar Mountain Formation of Utah. This type of fossil can be found in the Oklahoma Museum of Natural History. This mouse-sized animal weighed about 25g.
• Paracimexomys bestia is now the type species of Cedaromys.