Larochea secunda is an extremely minute species of sea snail, a marine gastropod mollusc or micromollusc in the family Larocheidae.
Description The thin, minute, white and globose shell reaches a height of .
Distribution This marine species occurs off New Zealand.
References A.W.B. Powell, New species of marine mollusca from New Zealand, Discovery Report, National Institute of Oceanography of Great Britain, v. 15, 1937, p. 207-208 Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 Marshall, B. A., 1993. The systematic position of Larochea Finlay, 1927, and introduction of a new genus and two new species (Gastropoda: Scissurellidae). J. Moll. Studies, 59(3):285-294. Geiger D.L. (2012) Monograph of the little slit shells. Volume 1. Introduction, Scissurellidae. pp. 1-728. Volume 2. Anatomidae, Larocheidae, Depressizonidae, Sutilizonidae, Temnocinclidae. pp. 729–1291. Santa Barbara Museum of Natural History Monographs Number 7