|Princeton University Press ISBN: 9780691156828|
|Skeleton of Eobasileus - from the Order Dinocerata, |
which is difficult to place in the mammalian tree.
Galerie de Paléontologie et d'Anatomie Comparée, Paris.
|Skeleton of the huge hedgehog Deinogalerix koenigswaldi.|
National Museum of Natural History, Leiden, the Netherlands
Photo by Peter Maas (CC BY-SA 3.0)
|Reconstruction of the ground sloth Eremotherium.|
Exhibit in the Fernbank Museum of Natural History,
Atlanta, Georgia. Photo by Daderot (CC0)
Figures showing phylogenetic trees suffer from a similar deficiency. One from the rodent chapter is credited to E.T. Prothero. It is redrawn from a paper on the Laotian rock rat (Laonastes) by Huchon et al. (here). The reader is ill served by not being guided to the source papers.