Pycnogonidae: Difference between revisions
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==Characteristics== |
==Characteristics== |
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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> |
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> |
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==Genera== |
==Genera== |
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Revision as of 17:39, 28 February 2022
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| Pycnogonum littorale | |
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| Family: | Pycnogonidae Wilson, 1878 [1]
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Pycnogonidae is a family of sea spiders.
Characteristics
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] All 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]
Genera
The World Register of Marine Species lists the following genera:[1]
- Pentapycnon Bouvier, 1910
- Pycnogonum Bruennich, 1764
- Pycnopallene Stock, 1950
References
- ^ a b Pycnogonidae World Register of Marine Species. Retrieved 2011-11-22.
- ^ Family Pycnogonidae Marine Species Identification Portal. Retrieved 2011-11-22.
- ^ 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): 1–4. doi:10.15560/13.2.2099. ISSN 1809-127X.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ Biogeographic atlas of the Southern Ocean, Claude de Broyer, Philippe Koubbi, Cambridge, 2014, ISBN 978-0-948277-28-3, OCLC 903919347, retrieved 2022-02-28
{{citation}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)