Fig. 4 in A New Siphonotretid Brachiopod from the Silurian of Central-Western New South Wales, Australia

Fig. 4. Siphonotreta australis: a, syntype National Museum of Victoria Number 604, internal mould; b, syntype National Museum of Victoria Number 605, internal mould. Note the lack of spine bases and post-larval shell pitting contrary to the opinion of Chapman (1903). Scale bars = 5 mm.