Check-lists
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Links and literature
[1] Lerosey-Aubril R., Ortega-Hernández J., Kier C. & Bonino E. (2013): Occurrence of the Ordovician-type aglaspidid Tremaglaspis in the Cambrian Weeks Formation (Utah, USA), Geol. Mag. 150 (5), pp. 945–951 [as Tremaglaspis unite Fortey & Rushton, 2003]
Lerosey-Aubril R., Ortega-Hernández J., Kier C. & Bonino E. (2013): Occurrence of the Ordovician-type aglaspidid Tremaglaspis in the Cambrian Weeks Formation (Utah, USA), Geol. Mag. 150 (5), pp. 945–951 [as Tremaglaspis unite Fortey & Rushton, 2003]