The vertebrate faunas of the Lower Old Red Sandstone of the Welsh Borders.Pteraspis leathensis White, a Dittonian zone-fossil.

Errol Ivor White

Published in Bulletin of the British Museum (Natural History). Geology., in 1950, in volume 1, issue 3, pages 49-90

Date published:1950-01-30

BHL: 36367580
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