Image de Styela Fleming 1822

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Tuniciens

Tunicata

Body symmetry

Namigai et al 2014
symétrique bilatéralement
URI : http://purl.obolibrary.org/obo/PATO_0001324

Définition : being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves

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cellularity

Cellularity and growth form
multicellular
URI : http://purl.obolibrary.org/obo/PATO_0001993

Définition : A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]

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known marine species

Appeltans et al

3020

number of new species decribed 1999-2008

Appeltans et al

391

percent of marine species currently described

Appeltans et al

59

(minimum)
Appeltans et al

66

(max)

skeleton structure

Mineralogy
soft bodied
URI : https://www.wikidata.org/entity/Q12501479

Définition : non-skeletal fauna

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total species (expert opinion)

Appeltans et al

4600

(minimum)
Appeltans et al

5100

(max)

total unknown species (statistical model)

Appeltans et al

4300

(max)
Appeltans et al

2700

(minimum)

trophic guild

Brusca and Brusca, 2003
se nourrit par un réseau de mucus
URI : http://eol.org/schema/terms/mucus_net_feeder

Définition : A consumer that uses patches or a sheet of mucus to capture food particles suspended in the water column

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(adulte)

visual system

Nilsson 2013
ocelles
URI : http://purl.obolibrary.org/obo/BTO_0001758

Définition : small simple eyes, found in many invertebrates, usually consisting of a few sensory cells and a single lens

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(larval)