FIGURE 1. Middle Ordovician fossils from the Holothurian Bed, Llandrindod (Botting and Muir 2012). 1, undescribed reticulosan sponge, showing typical preservation of a spicular skeleton in the deposit; specimen will be deposited in the National Museum of Wales after study. 2-3, Oesolcucumaria eostre Botting and Muir, 2012, NHM EE8734 (holotype); detail of oral ring reproduced from Smith et al. (this volume, figure 1.4 inset), with pentagonal inner margin highlighted in 3.