Vol. 62 No. 4 (2017)

Biological Communications

Cover Image
Middle Devonian sestonophagous psammosteid agnathans Pycnosteus tuberculatus (in the middle and on the right) and Tartuosteus maximus (on the left) in the epicontinental sea of Laurussia.
Author — Yuriy Anatol’evich Priymak (see page 219).

Published: 2018-05-04

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