Ellatrivia merces
Ellatrivia merces est species parvorum molluscorum marinorum, gastropus familiae Triviidarum. Animalia huius speciei in Australia et Nova Zelandia endemica sunt.

Bibliographia
 Powell, A. W. B. 1979. New Zealand Mollusca. Aucopole: William Collins Publishers Ltd. ISBN 0-00-216906-1.
 Pownall, Glen. 1979. New Zealand Shells and Shellfish. Wellingtoniae: Seven Seas Publishing Pty Ltd. ISBN 0854670548.

Fauna Australiae
Gastropoda Australiae
Gastropoda Novae Zelandiae
Triviidae
Taxa Iredale
Taxa 1924