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Tracing the evolutionary origins of the Hemichordata (Enteropneusta and Pterobranchia)
Maletz, J.
Palaeoworld
Aasta: 2019 | Köide: 28 | Leheküljed: 58-72 | artikkel ajakirjas
Notes on the embryology and classification of the animal kingdom; comprising a revision of speculations relative to the origin and significance of the germlayers
Lankester, E. R.
Quarterly journal of microscopical science
Aasta: 1877 | Köide: 17 | Leheküljed: 339–454 | artikkel ajakirjas