Onoba filostria
Onoba filostria is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.[1]
Onoba filostria | |
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Species: | O. filostria |
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Onoba filostria (Melvill & Standen, 1912) | |
Distribution
Habitat
Minimum recorded depth is 16 m.[2] Maximum recorded depth is 18 m.[2]
gollark: Differentiate it, substitute x=3 into that, set dy/dx to 0, solve.
gollark: Oh, actually just > 0 since it's a denominator, yes.
gollark: The $9-x^2$ bit has to have a value >= 0. So solve that and work out for which values it is >= 0.
gollark: You want the bit in the square root to be greater than or equal to 0, so just figure out what values of x give you that.
gollark: I see.
References
- Onoba filostria (Melvill & Standen, 1912). WoRMS (2009). Onoba filostria (Melvill & Standen, 1912). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=197323 on 9 August 2010 .
- 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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