Articles | Volume 24, issue 2
Foss. Rec., 24, 295–319, 2021
https://doi.org/10.5194/fr-24-295-2021
Foss. Rec., 24, 295–319, 2021
https://doi.org/10.5194/fr-24-295-2021
Research article
30 Sep 2021
Research article | 30 Sep 2021

The life cycle in late Paleozoic eryopid temnospondyls: developmental variation, plasticity and phylogeny

Rainer R. Schoch

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Short summary
Eryopids were 2 m large relatives of modern amphibians that formed top predators in the Paleozoic. They are found in aquatic deposits and apparently preyed on fishes. Their life cycle is preserved in a single species, Onchiodon labyrinthicus, from eastern Germany. It existed in a stressed ecosystem, and the broad variation in the studied sample correlates with seasonal fluctuations. Eryopids evolved into increasingly large, heavily built inhabitants of streams and seasonal water bodies.