Striactaeonina transatlantica, a representative of the Heterobranchia from the Early Jurassic of South America, ca. 190 million years before present. (IMAGE)
Caption
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.
Credit
Mariel Ferrari, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)
Usage Restrictions
Credit must be given to the creator.
License
CC BY