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{{Italic title}}{{Taxobox
{{Italic title}}
{{Taxobox
| name = ''Chthamalus''
| name = ''Chthamalus''
| image = Chthamalus stellatus.jpg
| image = Chthamalus stellatus.jpg
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| genus_authority = [[Camillo Ranzani|Ranzani]], 1817&nbsp;<ref name="WoRMS"/>
| genus_authority = [[Camillo Ranzani|Ranzani]], 1817&nbsp;<ref name="WoRMS"/>
}}
}}

'''''Chthamalus''''' (χθαμαλός, "flat" or "on the ground"<ref>{{cite book|title=Dictionary of Natural History Terms with their derivations|author=David H. McNicoll, M.D.|url=https://books.google.com/books?id=tZEXAAAAYAAJ&pg=PA91&lpg=PA91&dq=etymology+chthamalus&source=bl&ots=CRtEQ8HsC2&sig=iXS-TSPvue9iqEVXVrmqcfSpRrE&hl=en&sa=X&ved=0CCEQ6AEwAWoVChMI7OTAvbDoyAIVA2MmCh0YDwZj#v=onepage&q=etymology%20chthamalus&f=false}}</ref>) is a [[genus (biology)|genus]] of [[barnacle]]s that is found along almost all coasts of the [[northern hemisphere]], as well as many regions in the [[southern hemisphere]]. These small barnacles have been studied in part because of the [[Taxonomy (biology)|taxonomic]] confusion over a group of species that, by and large, are [[Morphology (biology)|morphologically]] and ecologically quite similar. In recent years, molecular techniques have identified a number of [[cryptic species]] that have been subsequently confirmed by taxonomists using morphological measurements. Most recently the genus has been shown to be [[paraphyletic]], with the genus ''Microeuraphia'' nested within ''Chthamalus''.<ref>{{cite journal |title=A "shallow phylogeny" of shallow barnacles (''Chthamalus'') |author=John P. Wares |author2=M. Sabrina Pankey |author3=Fabio Pitombo |author4=Liza Gómez Daglio |author5=Yair Achituv |year=2009 |journal=[[PLoS One]] |volume=4 |issue=5 |pages=e5567 |doi=10.1371/journal.pone.0005567 |pmc=2678261 |editor1-last=Bruno |editor1-first=John F. |url=http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0005567 |pmid=19440543}}</ref>
'''''Chthamalus''''' (χθαμαλός, "flat" or "on the ground"<ref>{{cite book|title=Dictionary of Natural History Terms with their derivations|author=David H. McNicoll, M.D.|url=https://books.google.com/books?id=tZEXAAAAYAAJ&pg=PA91&lpg=PA91&dq=etymology+chthamalus&source=bl&ots=CRtEQ8HsC2&sig=iXS-TSPvue9iqEVXVrmqcfSpRrE&hl=en&sa=X&ved=0CCEQ6AEwAWoVChMI7OTAvbDoyAIVA2MmCh0YDwZj#v=onepage&q=etymology%20chthamalus&f=false}}</ref>) is a [[genus (biology)|genus]] of [[barnacle]]s that is found along almost all coasts of the [[northern hemisphere]], as well as many regions in the [[southern hemisphere]]. These small barnacles have been studied in part because of the [[Taxonomy (biology)|taxonomic]] confusion over a group of species that, by and large, are [[Morphology (biology)|morphologically]] and ecologically quite similar. In recent years, molecular techniques have identified a number of [[cryptic species]] that have been subsequently confirmed by taxonomists using morphological measurements. Most recently the genus has been shown to be [[paraphyletic]], with the genus ''Microeuraphia'' nested within ''Chthamalus''.<ref>{{cite journal |title=A "shallow phylogeny" of shallow barnacles (''Chthamalus'') |author=John P. Wares |author2=M. Sabrina Pankey |author3=Fabio Pitombo |author4=Liza Gómez Daglio |author5=Yair Achituv |year=2009 |journal=[[PLoS One]] |volume=4 |issue=5 |pages=e5567 |doi=10.1371/journal.pone.0005567 |pmc=2678261 |editor1-last=Bruno |editor1-first=John F. |url=http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0005567 |pmid=19440543}}</ref>


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==References==
==References==
{{reflist}}
{{Reflist}}

{{Taxonbar|from=Q3808874}}


[[Category:Barnacles]]
[[Category:Barnacles]]
[[Category:Taxa named by Camillo Ranzani]]
[[Category:Taxa named by Camillo Ranzani]]
[[Category:Maxillopoda genera]]
[[Category:Maxillopoda genera]]



{{Maxillopoda-stub}}
{{Maxillopoda-stub}}

Revision as of 11:44, 22 March 2018

Chthamalus
A colony of Chthamalus stellatus
Scientific classification
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Chthamalus

Ranzani, 1817 [1]

Chthamalus (χθαμαλός, "flat" or "on the ground"[2]) is a genus of barnacles that is found along almost all coasts of the northern hemisphere, as well as many regions in the southern hemisphere. These small barnacles have been studied in part because of the taxonomic confusion over a group of species that, by and large, are morphologically and ecologically quite similar. In recent years, molecular techniques have identified a number of cryptic species that have been subsequently confirmed by taxonomists using morphological measurements. Most recently the genus has been shown to be paraphyletic, with the genus Microeuraphia nested within Chthamalus.[3]

Field Identification

Identification of barnacles in the field can be challenging, and identification of particular species of Chthamalus is not considered reliable in the field other than a few species. However, a notable distinction in the arrangement of wall plates can help biologists distinguish Chthamalid barnacles from the other common barnacles in the family Balanidae. In chthamalid barnacles, the side plates overlap both the rostrum and the carina (the plates at the ends of the opercular opening), while in balanids one end plate (the rostrum) overlaps the adjoining side plates (rostrolaterals).

Species

The following species are included in the genus Chthamalus:[1]

References

  1. ^ a b Benny K. K. Chan (2011). "Chthamalus Ranzani, 1817". World Register of Marine Species. Retrieved February 24, 2011.
  2. ^ David H. McNicoll, M.D. Dictionary of Natural History Terms with their derivations.
  3. ^ John P. Wares; M. Sabrina Pankey; Fabio Pitombo; Liza Gómez Daglio; Yair Achituv (2009). Bruno, John F. (ed.). "A "shallow phylogeny" of shallow barnacles (Chthamalus)". PLoS One. 4 (5): e5567. doi:10.1371/journal.pone.0005567. PMC 2678261. PMID 19440543.{{cite journal}}: CS1 maint: unflagged free DOI (link)