Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 781
e sandstone must have beenconsidered as New Red; but microscopic examination of theirintimate structure umnistakeably^ proved them to belong to agenus of Eishes {Dendrodus) which is exclusively Palaeozoic,and thus decided that the formation must be Old Red.—So again, the microscopic examination of… … Section of Tooth of Labyrintlwdon. that had been discovered in the keuper-sandstein of Wir-temberg; and the identity or close resemblance of the animalsto which these teeth belonged having been thus established,it became almost certain that the Warwickshire and Wirtem-berg sandstones were…
Microscopy
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