# Hidden hotspots of amphibian biodiversity in China

*PRI Rank #6 · Topics and Trends in Most Cited Amphibian and Reptile Biology Papers, Class of 2026*

*Canonical URL: https://pri.pepkio.com/top-papers/amphibian-and-reptile-biology/2026/rank-6*

| Field | Value |
| --- | --- |
| Rank | #6 |
| 18m citations | 22 |
| Journal | Proceedings of the National Academy of Sciences |
| Year | 2024 |
| DOI | 10.1073/pnas.2320674121 |
| Corresponding authors | Wei Xu, Yun‐He Wu, Weihua Xu, John J. Wiens, Jing Che |
| Institution | Kunming Institute of Zoology, China |

**Ranking page:** [Topics and Trends in Most Cited Amphibian and Reptile Biology Papers, Class of 2026](https://pri.pepkio.com/top-papers/amphibian-and-reptile-biology/2026)

**Paper link:** [10.1073/pnas.2320674121](https://doi.org/10.1073/pnas.2320674121)

## Topics

Biodiversity hotspots · Endemism · Species richness · cryptic species · phylogenetic diversity · Endemism · Divergence time estimation · Chinese amphibians · Nanling Mountains · South China mountain ranges · molecular analyses · field surveys · Protected Areas · human impact pressure · spatial diversity patterns · Species-level data

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Amphibian and Reptile Biology Papers, Class of 2026. https://pri.pepkio.com/top-papers/amphibian-and-reptile-biology/2026. Accessed 2026-07-22.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
```