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Restoration of under side of a trilobite

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Restoration of under side of a trilobite.jpg ThumbnailsPeripatus novæ zealandiæThumbnailsPeripatus novæ zealandiæThumbnailsPeripatus novæ zealandiæThumbnailsPeripatus novæ zealandiæThumbnailsPeripatus novæ zealandiæThumbnailsPeripatus novæ zealandiæThumbnailsPeripatus novæ zealandiæ

Restoration of under side of a trilobite (Triarthrus becki), the trunk limbs bearing small triangular respiratory lobes or gills.—After Beecher.