Duncan PM. (1867). A monograph of the British fossil corals. Second series. Part IV, No. 1. Corals from the zone of Ammonites planorbis and Ammonites angulatus in the Liassic formation. Monograph of the Palaeontographical Society. 20: 1-43, pl. 41-11.
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Duncan PM
1867
A monograph of the British fossil corals. Second series. Part IV, No. 1. Corals from the zone of Ammonites planorbis and Ammonites angulatus in the Liassic formation.