An Interactive Annotated World Bibliography of Printed and Digital Works in the History of Medicine and the Life Sciences from Circa 2000 BCE to 2022 by Fielding H. Garrison (1870-1935), Leslie T. Morton (1907-2004), and Jeremy M. Norman (1945- ) Traditionally Known as “Garrison-Morton”

15961 entries, 13944 authors and 1935 subjects. Updated: March 22, 2024

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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: historyofmedicine.com/id/2058