Palaeogale: now a juvenile Machaeroides in the LRT
Palaeogale is one of those little enigma taxa
According to Wikipedia, “The ancestry of Palaeogale (Figs 1, 2) remains enigmatic.”
Perhaps size is a clue.
Consider the possibility that Palaeogale (Figs 1, ,2) is a juvenile Machaeroides (Fig 2). Palaeogale is quite a bit smaller, has gracile juvenile traits, lacks a sagittal crest and has only two molars rather than three, as in Machaeroides.
Everything else seems to line up.
Figure 2. Machaeroides skull in several views. At bottom is Palaeogale to scale.
” data-medium-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2025/11/machaeroides_eothen588.jpg?w=179″ data-large-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2025/11/machaeroides_eothen588.jpg?w=584″ class=”size-full wp-image-95410″ src=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2025/11/machaeroides_eothen588.jpg” alt=”Figure 2. Machaeroides skull in several views. At bottom is Palaeogale to scale. ” width=”584″ height=”981″ srcset=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2025/11/machaeroides_eothen588.jpg?w=584&h=981 584w, https://pterosaurheresies.wordpress.com/wp-content/uploads/2025/11/machaeroides_eothen588.jpg?w=89&h=150 89w, https://pterosaurheresies.wordpress.com/wp-content/uploads/2025/11/machaeroides_eothen588.jpg?w=179&h=300 179w, https://pterosaurheresies.wordpress.com/wp-content/uploads/2025/11/machaeroides_eothen588.jpg 588w” sizes=”(max-width: 584px) 100vw, 584px” />
Figure 2. Machaeroides skull in several views. At bottom is Palaeogale to scale displaying juvenile traits including two molars, not three, as in the adult.
If not a juvenile
Palaeogale would represent yet another case of phylogenetic miniaturization – to mouse-size linking sabertooths, dogs, hyaenas, bear dogs and bush dogs to Machaeroides and the ancestral civets in the LRT.
This appears to be a novel hypothesis of interrelationships.
If not please send a citation so I can promote it here.
PS
The linking feature in WordPress (used to add images and to link text) is on the fritz today. This will be my last post until the problem is fixed or I can figure out work-around.
References
Matthew WD 1902. On the skull of Bunaelurus, a musteline from the White River Oligocene. Bulletin of the AMNH 16. [Palaeogale]
Matthew WD 1909. The Carnivora and Insectivora of the Bridger Basin, middle Eocene. Memoirs of the American Museum of Natural History 9:289-567.
wiki/Palaeogale
wiki/Daphoenus
wiki/Protictitherium
wiki/Machaeroides
Source: https://pterosaurheresies.wordpress.com/2025/11/26/palaeogale-now-a-juvenile-machaeroides-in-the-lrt/
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