WoRMS Photogallery
Extonia aspera (Terquem & Berthelin, 1875)
Description Copestake, P.; Johnson, B. (2014). Lower Jurassic Foraminifera from the Llanbedr (Mochras Farm) Borehole, North Wales, UK. Monographs of the Palaeontographical Society. 167(641)[2013]: 1-403., available online at https://doi.org/10.1080/02693445.2013.11963952page(s): p. 122, pl. 5, figs. 15-16.
NHMUK PMPF70377; 15, apertural view x285; 16, side view x60. PNG file - 111.64 kB - 440 x 307 pixels added on 2025-06-2713 viewsWoRMS taxa Extonia aspera (Terquem & Berthelin, 1875) †checked Le Coze, François 2025-06-27
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