Depth range based on 4 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 0 - 55.2
  Temperature range (°C): 22.044 - 22.044
  Nitrate (umol/L): 1.589 - 1.589
  Salinity (PPS): 36.325 - 36.325
  Oxygen (ml/l): 4.766 - 4.766
  Phosphate (umol/l): 0.132 - 0.132
  Silicate (umol/l): 1.934 - 1.934

Graphical representation

Depth range (m): 0 - 55.2
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.


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Petaloconchus varians

Petaloconchus varians is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.[1]



The maximum recorded shell length is 200 mm.[2]


Minimum recorded depth is 0 m.[2] Maximum recorded depth is 0 m.[2]


  1. ^ Petaloconchus varians (d’Orbigny, 1839). WoRMS (2010). Petaloconchus varians (d’Orbigny, 1839). Accessed through: World Register of Marine Species at on 9 July 2010.
  2. ^ a b c Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
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