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. 2025 Jan 7;12(2):nwae479.
doi: 10.1093/nsr/nwae479. eCollection 2025 Feb.

Cretaceous chewing-louse eggs on enantiornithine birds

Chenyang Cai  1 , Kevin P Johnson  2 , Yanzhe Fu  1 , Daniel R Gustafsson  3 , Dany Azar  1 , Yitong Su  1 , Qiang Xuan  1 , Michael S Engel  4 , Diying Huang  1
Affiliations

Cretaceous chewing-louse eggs on enantiornithine birds

Chenyang Cai et al. Natl Sci Rev. .
No abstract available

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Figures

Figure 1.
Figure 1.
Fossilized nits of chewing lice, tightly affixed to feathers of an enantiornithine bird, entombed in mid-Cretaceous amber from northern Myanmar. (a) Isolated barbs and regularly arranged louse nits attached to two barbs of the same type. (b) Enlargement of six louse nits (indicated with black arrows). (c) Enlargement of five louse nits (indicated with white arrows). (d) and (e) Enlargement of louse nits. (f) Details of a nit, showing the placement, attachment and details of the chorion. (g) Enlargement of two louse nits, showing the attachments to ramus. (h) Ecological reconstruction of Cretaceous chewing lice of an enantiornithine bird. (a–c) Under normal reflected light. (d–f) Under confocal laser scanning microscopy. (g) Under X-ray micro-computed tomography. Abbreviations: ch, chorion; eg, egg; ra, ramus.
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