Tetrapoodid

Vaata ka

Viited

  1. ↑ Narkiewicz, Katarzyna; Narkiewicz, Marek. "The age of the oldest tetrapod tracks from Zachełmie, Poland". Lethaia. 48 (1): 10–12. DOI:10.1111/let.12083. ISSN 0024-1164.
allikas: https://et.wikipedia.org/wiki/Tetrapoda