Foraminifera source details
Brodie, P.B. 1853. Remarks on the Lias at Fretherne near Newnham, and Purton near Sharpness, with an Account of some new Foraminifera discovered there; and on certain Pleistocene Deposits in the Vale of Gloucester. Annals and Magazine of Natural History, London, 2 series12: 272–276.
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Brodie, P.B. 1853. Remarks on the Lias at Fretherne near Newnham, and Purton near Sharpness, with an Account of some new Foraminifera discovered there; and on certain Pleistocene Deposits in the Vale of Gloucester. Annals and Magazine of Natural History, London, 2 series12: 272–276
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Nummulites liassicus Jones, 1853 † accepted as Involutina liassica (Jones, 1853) † (original description)