An Interactive Annotated World Bibliography of Printed and Digital Works in the History of Medicine and the Life Sciences from Circa 2000 BCE to 2024 by Fielding H. Garrison (1870-1935), Leslie T. Morton (1907-2004), and Jeremy M. Norman (1945- ) Traditionally Known as “Garrison-Morton”

16061 entries, 14144 authors and 1947 subjects. Updated: December 10, 2024

Permanent Link for Entry #2058

  • 120

Die Gastraea-Theorie, die phylogenetische Classification des Thierreichs und die Homologie der Keimblätter.

Jena. Z. Naturw., 8, 1-55, 1874.

Haeckel’s gastraea theory, which considers the two-layered gastrula the ancestral form of multicellular animals.



Subjects: BIOLOGY, EVOLUTION
Permalink: garrison-morton.com/id/2058