Collwellia Nuttall & Cooper, 1973. Type species by original designation: Cominella flexuosa Edwards, in Lowry, Etheridge & Edwards, 1866.
Submitted as Collwellia Nuttall & Cooper 1973
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith