Jixiangornis enters the LRT
The scansoriopterygid,
Jixiangornis orientalis (Ji et al 2002; Aptian, Early Cretaceous), is known from a single articulated skeleton in dorsal exposure (Fig 1), including a half-buried skull.
It’s time to µCT scan that skull.
Here
in the large reptile tree (LRT, 2234 taxa) Jixiangornis nests between long-tailed Mei (Fig 2) and short-tailed Yi (Fig 2). The latter was famously portrayed as the ‘bat-wing bird’, which it is not.
Scansoriopterygids had their origin
close to the number 12 specimen attributed to Archaeopteryx (undescribed, private), from the Late Jurassic Solnhofen formation. A described specimen, ‘Archaeopteryx’ bavarica (BSP 1999 I 50) is also basal to Scansoriopterygidae, the Jeholornis branch.
BTW
No scansoriopterygids had bat wings. Mistaken interpretations account for that myth.
References
Ji Q et al (6 co-authors) 2002. A New Avialian Bird – Jixiangornis orientalis gen. et sp. nov. – from the Lower Cretaceous of Western Liaoning, NE China. Journal of Nanjing University (Natural Sciences). 38 (6): 723–736.
Source: https://pterosaurheresies.wordpress.com/2023/04/26/jixiangornis-enters-the-lrt/
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