Species Cryptogemma praesignis (Smith, 1895)

Museums

Cryptogemma praesignis Smith, E.A. 1895. Natural History Notes from H.M. Indian Marine Survey Steamer 'Investigator', Commander C.F. Oldham, R.N. - Series II., No. 19. Report on Mollusca dredged in the Bay of Bengal and the Arabian Sea during 1893–94. Annals and Magazine of Natural History 6 16(91): 1-19, pl. 2 [4].
Ptychosyrinx lordhoweensis Kantor, Y.I. & Sysoev, A.S. 1991. Sexual dimorphism in the apertural notch of a new species of Gemmula (Gastropoda: Turridae). Journal of Molluscan Studies 57(205-209) [205].
Secondary source:
Zaharias, P., Kantor, Y.I., Fedosov, A.E., Criscione, F., Hallan, A., Kano, Y., Bardin, J., & Puillandre, N. 2020. Just the once will not hurt: DNA suggests species lumping over two oceans in deep-sea snails (Cryptogemma). Zoological Journal of the Linnean Society 1-26 [11].

IBRA and IMCRA regions (map not available)

Norfolk Island Province (21)

Lord Howe Island terrestrial & freshwater

Note that this list may be incomplete for dates prior to September 2013.

Published	As part of group	Action Date	Action Type	Compiler(s)
	CAENOGASTROPODA	27-Apr-2021	ADDED