Paroodectes moves to the base of the marsupial sabertooths
Paroodectes
(Figs 1, 2) has moved after recent housekeeping in the large reptile tree (LRT, 2324 taxa). Now it nests at the base of the marsupial sabertooths.
Note the almost slit-like naris and the postorbital bar, convergent with primates and oreodonts.
Figure 1. Late Eocene Paroodectes compared to Paleocoen Hapalodectes. Note the almost slit-like naris and the postorbital bar, convergent with primates and oreodonts.
” data-medium-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/08/paroodectes588.jpg?w=163″ data-large-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/08/paroodectes588.jpg?w=558″ tabindex=”0″ role=”button” class=”size-full wp-image-88393″ src=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/08/paroodectes588.jpg” alt=”Figure 1. Late Eocene Paroodectes compared to Paleocoen Hapalodectes. Note the almost slit-like naris and the postorbital bar, convergent with primates and oreodonts.” width=”584″ height=”1073″ />
Figure 1. Middle Eocene Paroodectes compared to Paleocoen Hapalodectes. Note the almost slit-like naris and the postorbital bar, convergent with primates and oreodonts. Palaeocene Hapalodectes is a phylogenetically miniaturized taxon.
Paroodectes feisti
(Springhorn 1980, Middle Eocene) was described as a miacid member of the Carnivora. Here it nests at the base of the marsupial sabertooth clade. The genesis of late-surviving Paroodectes preceded Paleocene Hapalodectes.
Figure 1. Marsupial sabertooth evolution. Paroodectes, Hapalodecteis (1VPP V2385), Patagosmilus, Thylacosmilus, Barbourofelis. The latter is traditionally located closer to placental cats. Here a postfrontal is identified in all taxa.
” data-medium-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/08/patagosmilus-thylacosmilus588.jpg?w=63″ data-large-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/08/patagosmilus-thylacosmilus588.jpg?w=214″ tabindex=”0″ role=”button” class=”size-full wp-image-88395″ src=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/08/patagosmilus-thylacosmilus588.jpg” alt=”Figure 1. Marsupial sabertooth evolution. Paroodectes, Hapalodecteis (1VPP V2385), Patagosmilus, Thylacosmilus, Barbourofelis. The latter is traditionally located closer to placental cats. Here a postfrontal is identified in all taxa.” width=”584″ height=”2798″ />
Figure 1. Marsupial sabertooth evolution. Paroodectes, Hapalodecteis (1VPP V2385), Patagosmilus, Thylacosmilus, Barbourofelis. The latter is traditionally located closer to placental cats. Here a postfrontal is identified in all taxa. Hapalodectes is a phylogenetically miniaturized taxon.
Today’s hypothesis of interrelationships
supercedes and modifies prior hypotheses presented on this blogpost.
References
Springhorn R 1980. Paroodectes feisti, der erste Miacide (Carnivora, Mammalia) aus dem Mittel-Eozän von Messel. Paläontologische Zeitschrift (in German and Latin). 54 (1/2): 171–198.
Source: https://pterosaurheresies.wordpress.com/2024/08/25/paroodectes-moves-to-the-base-of-the-marsupial-sabertooths/
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