Examples of Silurian Naraoia. (A–C) Naraoia c.f. bertiensis from the Fiddlers Green Formation, New York State. NYSM 19522. A. Specimen under LED lighting; B. Line drawing of NYSM 19522; C. Specimen overlain with line drawing; D. Naraoia bertiensis from the Williamsville Member, Ridgemount, Ontario, Canada. ROM 56013. Abbreviations: ats? possible axial trunk spine, ga: genal angle; hy? possible hypostome. A, C. Specimen photographed under ethanol. Image credit: D. Jean-Bernard Caron. Scale bars: 2 mm (A–C); 5 mm (D).

 
 
  Part of: Bicknell RDC, Goodman A, Laibl L, Amati L (2025) Novel evidence for the youngest Naraoia and a reassessment of naraoiid paleobiogeography. Fossil Record 28(1): 115-124. https://doi.org/10.3897/fr.28.e150343