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The oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor Traquair

The oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor Traquair.jpg The Number of the ChromosomesThumbnailsThe Place De La BastilleThe Number of the ChromosomesThumbnailsThe Place De La BastilleThe Number of the ChromosomesThumbnailsThe Place De La BastilleThe Number of the ChromosomesThumbnailsThe Place De La Bastille

The oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor Traquair.