The Echinoid Directory

Pourtalesia laguncula Agassiz, 1879. Recent; Pacific. Oral view, from Agassiz, A. 1881. Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76. Zoology III, part 9, Report on the Echinoidea. Her Majesty's Stationary Office, London (plate 31).

Length of test 22 mm.