Traits taxon details
original description
Archbold, N. (1991). <i>Trigonotreta</i>(Spiriferida, Brachiopoda) from the Early Permian of Victoria. <em>Alcheringa: An Australasian Journal of Palaeontology.</em> 15(4): 321-326., available online at https://doi.org/10.1080/03115519108619026 [details]
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