http://rpb.lbz-rlp.de/cgi-bin/wwwalleg/wiki.pl?db=rpb&index=1&zeilen=1&s1=o33301049?

Keine Beschreibung vorhanden.

Amphibian Evolution: The Life of Early Land Vertebrates - Rainer R. Schoch - Google Books

https://books.google.de/books?id=0ps6AwAAQBAJ

This book focuses on the first vertebrates to conquer land and their long journey to become fully independent from the water. It traces the origin of tetrapod features and tries to explain how and why they transformed into organs that permit life on land.…

http://www.judaistik.unibe.ch/ueber_uns/personen/prof_dr_bloch_ren/index_ger.html

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Iberg-Kalk [Iberg Limestone] ¾ informelle lithostratigraphische Einheit des ® Oberdevon (® Frasnium) im Bereich des ® Mittelha

https://web.archive.org/web/20110719074649/http://regionalgeologie-ost.de/Dok%20I.htm

Keine Beschreibung vorhanden.