(syn. Spatula Ϯ Northern Shoveler S. clypeata) Gr. ῥυγχος rhunkhos  bill; ασπις aspis, ασπιδος aspidos  shield; "HYNCHASPIS.  SHOVELER.  Beak long, its base unarmed, semicylindric, the tip dilated, somewhat spoon-shaped, with a small incurved nail; the sides of the mandibles with pectinated lamellæ.  ...  RHYNCHASPIS. Leach. MSS.  ANAS. Linn., Gmel., Lath., &c.   THE singular form of the beak in this genus sufficiently characterizes it from the rest of the group.  ...  COMMON SHOVELER. (Rhynchaspis clypeata.)" (Stephens 1824).   Var. HynchaspisRhyncaspis, Rhyncapsis, Rhynchapsis, Rhynchasmus, Rynchapsis, Rynchaspis, Rynchapeis.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 23 January 2019).