Reid, R.E.H. 1958a. A monograph of the Upper Cretaceous Hexactinellida of Great Britain and Northern Ireland. Part I. Paleontographical Society. (Monographs) 111: i-xlvi.
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Reid, R. E. H.
1958
A monograph of the Upper Cretaceous Hexactinellida of Great Britain and Northern
Ireland. Part I. Paleontographical Society. (Monographs