A monograph of the British fossil sponges. Sponges of Pal?ozoic and Jurassic strata
A monograph of the British fossil sponges. Sponges of Palaeozoic and Jurassic strata
Catalogue of the Fossil Sponges in the Geological Department of the British Museum (Natural History).: With Descriptions of New and Little-Known Species. (Illustrated by 38 Lithographic Plates.)
Fossil sponge spicules from the upper chalk found in the interior of a single flint-stone from Horstead in Norfolk
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