News Release

Researchers analyze why certain snail species survived the end-Triassic mass extinction as over half of other gastropod species were wiped out

Peer-Reviewed Publication


Striactaeonina transatlantica, a representative of the Heterobranchia from the Early Jurassic of South America, ca. 190 million years before present.

image: The Heterobrachia was little affected by the end-Triassic mass extinction, possibly because of a flexible mode of feeding of the larvae, an adaptation to relatively warm temperatures, and a flexible attachment of the mantle that allowed for covering the shell. view more 

Credit: Mariel Ferrari, CC-BY 4.0 (

Article URL:

Article Title: Gastropods underwent a major taxonomic turnover during the end-Triassic marine mass extinction event

Author Countries: Argentina, Switzerland

Funding: This research was funded by the Swiss National Science Foundation (SNF), grant IZSEZ0_193022/1 to MH. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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