Pycnogonidae: Difference between revisions

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{{short description|Family of sea spiders}}
{{Short description|Family of sea spiders}}
{{Automatic taxobox
{{Taxobox
| image = Pycnogonum littorale (YPM IZ 030249).jpeg
| image = Pycnogonum littorale (YPM IZ 030249).jpeg
| image_caption = ''Pycnogonum littorale''
| image_caption = ''Pycnogonum littorale''
| regnum = [[Animal]]ia
| taxon = Pycnogonidae
⚫
| authority = Wilson, 1878 <ref name=WoRMS>[http://www.marinespecies.org/aphia.php?p=taxdetails&id=1567 Pycnogonidae] World Register of Marine Species. Retrieved 2011-11-22.</ref>
| phylum = [[Arthropod]]a
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| subdivision = See text
| subphylum = [[Chelicerata]]
| classis = [[Pycnogonida]]
| ordo = [[Pantopoda]]
| familia = '''Pycnogonidae'''
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| familia_authority = Wilson, 1878 <ref name=WoRMS>[http://www.marinespecies.org/aphia.php?p=taxdetails&id=1567 Pycnogonidae] World Register of Marine Species. Retrieved 2011-11-22.</ref>
| subdivision_ranks = Genera
⚫
| subdivision = {{center|See text}}
}}
}}


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==Characteristics==
==Characteristics==
Most sea spiders in the [[Class (biology)|class]] [[Sea spider|Pycnogonida]] have [[appendage]]s on the anterior end of the body called [[Chelicerae|chelifores]] which are used for gathering food and [[Pedipalp|palps]] which bear sensory organs. Members of the family Pycnogonidae have neither of these, instead using their [[proboscis]] to suck juices from their [[Predation|prey]]. On the first segment of the trunk of male family members there are ovigerous legs on which the larvae are carried. The females do not have these appendages.<ref>[http://species-identification.org/species.php?species_group=pycnogonida&id=12&menuentry=groepen Family Pycnogonidae] Marine Species Identification Portal. Retrieved 2011-11-22.</ref> All species in this family have four pairs of legs, except for three species (''Pentapycnon bouvieri'', ''P. charcoti'', and ''P. geayi'') with five pairs.<ref>{{Cite journal |last=Bezerra |first=Luis |last2=Rabay |first2=Soraya |last3=Matthews-Cascon |first3=Helena |date=2017-04-24 |title=First record of Pentapycnon geayi Bouvier, 1911 (Pycnogonida: Pycnogonidae) in the state of Ceará, northeastern Brazil |url=https://checklist.pensoft.net/article/19701/ |journal=Check List |language=en |volume=13 |issue=2 |pages=1–4 |doi=10.15560/13.2.2099 |issn=1809-127X}}</ref><ref>{{Citation |title=Biogeographic atlas of the Southern Ocean |date=2014 |url=https://www.worldcat.org/oclc/903919347 |others=Claude de Broyer, Philippe Koubbi |place=Cambridge |isbn=978-0-948277-28-3 |oclc=903919347 |access-date=2022-02-28}}</ref>
Most sea spiders in the [[Class (biology)|class]] [[Sea spider|Pycnogonida]] have [[appendage]]s on the anterior end of the body called [[Chelicerae|chelifores]] which are used for gathering food and [[Pedipalp|palps]] which bear sensory organs. Members of the family Pycnogonidae have neither of these, instead using their [[proboscis]] to suck juices from their [[Predation|prey]]. On the first segment of the trunk of male family members there are ovigerous legs on which the larvae are carried. The females do not have these appendages.<ref>[http://species-identification.org/species.php?species_group=pycnogonida&id=12&menuentry=groepen Family Pycnogonidae] Marine Species Identification Portal. Retrieved 2011-11-22.</ref> Like most sea spiders, species in this family have four pairs of legs, except for three species (''Pentapycnon bouvieri'', ''P. charcoti'', and ''P. geayi'') with five pairs.<ref>{{Cite journal |last1=Bezerra |first1=Luis |last2=Rabay |first2=Soraya |last3=Matthews-Cascon |first3=Helena |date=2017-04-24 |title=First record of Pentapycnon geayi Bouvier, 1911 (Pycnogonida: Pycnogonidae) in the state of Ceará, northeastern Brazil |url=https://checklist.pensoft.net/article/19701/ |journal=Check List |language=en |volume=13 |issue=2 |page=2099 |doi=10.15560/13.2.2099 |issn=1809-127X|doi-access=free }}</ref><ref>{{Cite journal |last=Hedgpeth |first=Joel W. |date=1947 |title=On the evolutionary significance of the Pycnogonida |url=http://repository.si.edu/xmlui/handle/10088/22801 |journal=Smithsonian Miscellaneous Collections |volume=106 |issue=18 |pages=1–53 |hdl=10088/22801 |via=Smithsonian Research Online}}</ref><ref>{{Cite journal |last1=Soler-Membrives |first1=Anna |last2=Munilla |first2=Tomás |last3=Arango |first3=Claudia P. |last4=Griffiths |first4=Huw |date=2014 |title=Southern Ocean biogeographic patterns in Pycnogonida |url=https://nora.nerc.ac.uk/id/eprint/508234/1/Atlas_Chap.5.14-Soler%20Membrives_et_al_2014-F.pdf |journal=Biogeographic Atlas of the Southern Ocean |location=Cambridge |publisher=Scientific Committee on Antarctic Research |volume=ch. 5.14 |pages=138–141 |isbn=978-0-948277-28-3}}</ref>


==Genera==
==Genera==

Latest revision as of 19:49, 9 January 2024

Pycnogonidae
Pycnogonum littorale
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Pycnogonida
Order: Pantopoda
Family: Pycnogonidae
Wilson, 1878 [1]
Genera

See text

Pycnogonidae is a family of sea spiders.

Characteristics[edit]

Most sea spiders in the class Pycnogonida have appendages on the anterior end of the body called chelifores which are used for gathering food and palps which bear sensory organs. Members of the family Pycnogonidae have neither of these, instead using their proboscis to suck juices from their prey. On the first segment of the trunk of male family members there are ovigerous legs on which the larvae are carried. The females do not have these appendages.[2] Like most sea spiders, species in this family have four pairs of legs, except for three species (Pentapycnon bouvieri, P. charcoti, and P. geayi) with five pairs.[3][4][5]

Genera[edit]

The World Register of Marine Species lists the following genera:[1]

References[edit]

  1. ^ a b Pycnogonidae World Register of Marine Species. Retrieved 2011-11-22.
  2. ^ Family Pycnogonidae Marine Species Identification Portal. Retrieved 2011-11-22.
  3. ^ Bezerra, Luis; Rabay, Soraya; Matthews-Cascon, Helena (2017-04-24). "First record of Pentapycnon geayi Bouvier, 1911 (Pycnogonida: Pycnogonidae) in the state of Ceará, northeastern Brazil". Check List. 13 (2): 2099. doi:10.15560/13.2.2099. ISSN 1809-127X.
  4. ^ Hedgpeth, Joel W. (1947). "On the evolutionary significance of the Pycnogonida". Smithsonian Miscellaneous Collections. 106 (18): 1–53. hdl:10088/22801 – via Smithsonian Research Online.
  5. ^ Soler-Membrives, Anna; Munilla, Tomás; Arango, Claudia P.; Griffiths, Huw (2014). "Southern Ocean biogeographic patterns in Pycnogonida" (PDF). Biogeographic Atlas of the Southern Ocean. ch. 5.14. Cambridge: Scientific Committee on Antarctic Research: 138–141. ISBN 978-0-948277-28-3.
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