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. 2023 May 12;380(6645):eadg3748.
doi: 10.1126/science.adg3748. Epub 2023 May 12.

Response to comment on "Exceptional preservation of organs in Devonian placoderms from the Gogo largerstätte"

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Response to comment on "Exceptional preservation of organs in Devonian placoderms from the Gogo largerstätte"

Kate Trinajstic et al. Science. .

Abstract

Jensen et al. (1) question evidence presented of a chambered heart within placoderms, citing its small size and apparently ventral atrium. However, they fail to note the belly-up orientation of the placoderm within one nodule, and the variability of heart morphology within extant taxa. Thus, we remain confident in our interpretation of the mineralized organ as the heart.

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