IRMNG taxon details
original description
Brayard, A.; Jenks, J. F.; Bylund, K. G. (2019). Ammonoids and nautiloids from the earliest Spathian Paris Biota and other early Spathian localities in southeastern Idaho, USA. <em>Geobios.</em> 54: 13-36., available online at https://hal.science/hal-02168391 [details]
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