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⇱ chaetognaths data - Encyclopedia of Life

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Biota » … » Animals » …

Biota » Cellular » Eukaryotes » Opisthokonts » Animals » Bilaterians » Protostomes » Spiralians «

Chaetognaths

Chaetognatha

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show all Body symmetry are eaten by body shape cellularity described accepted species habitat known marine species locomotion number of dna records in ggbn number of new species decribed 1999-2008 number of specimens in ggbn percent of marine species currently described percent synonyms among marine species sexual system total species (expert opinion) total unknown marine species trophic guild undescribed marine species present in museum collections undiscovered marine morphospecies undiscovered species (molecular cryptic)

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show all Appeltans et al Brusca and Brusca, 2003 Cellularity and growth form Fairbairn 2013 GGBN data coverage Global Biotic Interactions Halanych 1996 Jordan 1992 Namigai et al 2014

Body symmetry

Namigai et al 2014
bilaterally symmetric
URI: http://purl.obolibrary.org/obo/PATO_0001324

Definition: 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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are eaten by

Global Biotic Interactions

Gadus chalcogrammus Pallas 1814 (Alaska pollock)

body shape

Halanych 1996
vermiform
URI: https://www.wikidata.org/entity/Q7921571

Definition: shaped like a worm

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cellularity

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

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

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described accepted species

Appeltans et al

129

habitat

Brusca and Brusca, 2003
marine
URI: http://purl.obolibrary.org/obo/ENVO_00000447

Definition: An aquatic biome that comprises systems of open-ocean and unprotected coastal habitats, characterized by exposure to wave action, tidal fluctuation, and ocean currents as well as systems that largely resemble these. Water in the marine biome is generally within the salinity range of seawater: 30 to 38 ppt.

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(adult)

known marine species

Appeltans et al

129

locomotion

Jordan 1992
dorso-ventral undulatory swimming
URI: https://eol.org/schema/terms/dorsoventral_undulatory

Definition: swimming by generating thrust using dorso-ventral undulations of the body.

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number of dna records in ggbn

GGBN data coverage

87

number of new species decribed 1999-2008

Appeltans et al

11

number of specimens in ggbn

GGBN data coverage

16

percent of marine species currently described

Appeltans et al

29

(min)
Appeltans et al

72

(max)

percent synonyms among marine species

Appeltans et al

54

sexual system

Fairbairn 2013
synchronous hermaphrodite
URI: http://purl.obolibrary.org/obo/UBERON_0010899

Definition: Hermaphroditic organism that produces both male and female gametes at the same time

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total species (expert opinion)

Appeltans et al

438

(max)
Appeltans et al

179

(min)

total unknown marine species

Appeltans et al

309

(max)
Appeltans et al

50

(min)

trophic guild

Brusca and Brusca, 2003
predator
URI: https://www.wikidata.org/entity/Q170430

Definition: Organism that obtains food by hunting

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(adult)

undescribed marine species present in museum collections

Appeltans et al

41434

undiscovered marine morphospecies

Appeltans et al

44

undiscovered species (molecular cryptic)

Appeltans et al

256

(max)

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