Cyprinodon variegatus : Egg with blastoderm showing germ ring, GR, fully differentiated and an early stage in differentiation of embryonic shield, ES; PP, posterior pole of blastoderm. 1916. Sheepshead minnow--Embryology; Cyprinodon variegatus--Embryology
Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
Cyprinodon variegatus : Egg with blastoderm showing germ ring, GR, fully differentiated and an early stage in differentiation of embryonic shield, ES; PP, posterior pole of blastoderm.
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Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
Kuntz, Albert. 1916. Notes on the Embryology and Larval Development of Five Species of Teleostean Fishes. Washington, DC : Government Printing Office. Bulletin of the United States Bureau of Fisheries, vol.34, 1914; Fig.7
