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Pelagothuria is a
genus of sea cu****bers in the
family Pelagothuriidae. It is monotypic,
being represented by the
single species Pelagothuria natatrix...
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Euriplastes atlanticus Heding, 1940
Euriplastes obscura Koehler & Vaney, 1905
Pelagothuria Bouvieri Hérouard, 1906
Peniagone ecalcarea Sluiter, 1901 Planktothuria...
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enlarged to
flattened plates,
forming an armour. In
pelagic species such as
Pelagothuria natatrix (order Elasipodida,
family Pelagothuriidae), the
skeleton is...
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living as
plankton in the open ocean. Some
holothuroid adults such as
Pelagothuria are
however pelagic. Some
crinoids are pseudo-planktonic,
attaching themselves...
- that they are able to swim for a time from the bottom : the
species Pelagothuria natatrix is the only true
pelagic holothurian (and echinoderm, to date) ;...
- and Psychropotes. The only true
pelagic echinoderm known to date :
Pelagothuria natatrix (here
close to the Galapagos).
Benthodytes sp.
Scotoplanes globosa...
- A very rare
swimming sea cu****ber
Pelagothuria natatrix observed in 2017....
