Flatworms: Difference between revisions

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<ref name="Rhode2001PlatyhelminthesInEncLifeSci" />
{| class="wikitable" style="margin-left:4px"
{| class="wikitable" style="margin-left:4px"
! Attribute !! [[Cnidarian]]s and [[Ctenophore]]s<ref name="Hinde2001CnidariaAndCtenophoraInAnderson" /> !! [[Platyhelminthes]] (flatworms)<ref name="WalkerAnderson2001PlatyhelminthesInAnderson" /><ref name="RuppertBarnes2004Platyhelminthes"/> || More "advanced" [[bilateria]]ns<ref name="RuppertBarnes2004Bilateria">{{cite book | author1=Ruppert, E.E. | author2=Fox, R.S. | author3=Barnes, R.D. | name-list-style=amp | title=Invertebrate Zoology | publisher=Brooks / Cole | edition=7 | isbn=978-0-03-025982-1 | year=2004 | pages=[https://archive.org/details/isbn_9780030259821/page/196 196–224] | url-access=registration | url=https://archive.org/details/isbn_9780030259821/page/196 }}</ref>
! Attribute !! [[Cnidarian]]s and [[Ctenophore]]s<ref name="Hinde2001CnidariaAndCtenophoraInAnderson" /> !! [[Platyhelminthes]] (flatworms)
|- align="center"
|- align="center"
! Bilateral symmetry
! Bilateral symmetry
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! Specialized [[circulatory system|circulatory]] and [[respiratory system|respiratory]] [[organ (anatomy)|organ]]s
! Specialized [[circulatory system|circulatory]] and [[respiratory system|respiratory]] [[organ (anatomy)|organ]]s
| colspan="2" | No || Yes
| colspan="2" | No || Yes
|}<!-- *********** old version:
{| class="wikitable" style="margin-left:4px"
! &nbsp; !! [[Cnidarian]]s<ref name="Hinde2001CnidariaAndCtenophoraInAnderson" /> !! [[Ctenophore]]s<ref name="Hinde2001CnidariaAndCtenophoraInAnderson" /> !! [[Platyhelminthes]]<ref name="WalkerAnderson2001PlatyhelminthesInAnderson" /><ref name="RuppertBarnes2004Platyhelminthes">{{cite book
|author1=Ruppert, E.E. |author2=Fox, R.S. |author3=Barnes, R.D.  |name-list-style=amp | title=Invertebrate Zoology
|url=https://archive.org/details/isbn_9780030259821 |url-access=registration | publisher=Brooks / Cole | edition=7 | isbn=0-03-025982-7 | date=2004 | pages=[https://archive.org/details/isbn_9780030259821/page/226 226–269]
}}</ref> || More "advanced" [[bilateria]]ns<ref name="RuppertBarnes2004Bilateria">{{cite book
|author1=Ruppert, E.E. |author2=Fox, R.S. |author3=Barnes, R.D.  |name-list-style=amp | title=Invertebrate Zoology
|url=https://archive.org/details/isbn_9780030259821 |url-access=registration | publisher=Brooks / Cole | edition=7 | isbn=0-03-025982-7 | date=2004 | pages=[https://archive.org/details/isbn_9780030259821/page/196 196–224]
}}</ref>
|- align="center"
|- align="center"
|- align="center"
|- align="center"

Revision as of 17:49, 22 April 2023

Taxonomic Classification
caption
Kingdom: Animalia
Subkingdom: Eumetazoa
Clade: ParaHoxozoa
Clade: Bilateria
Clade: Nephrozoa
Unranked: Protostomia
Unranked: Spiralia
Clade: Rouphozoa
Phylum: Platyhelminthes
Source: Integrated Taxonomic Information System


Attribute Cnidarians and Ctenophores[1] Platyhelminthes (flatworms)
Bilateral symmetry No Yes
Number of main cell layers Two, with jelly-like layer between them (mesoglea) Three
Distinct brain No Yes
Specialized digestive system No Yes
Specialized excretory system No Yes
Body cavity containing internal organs No Yes
Specialized circulatory and respiratory organs No Yes
Cnidocytes Yes No
Colloblasts No Yes No Bilateral symmetry No Yes
Number of main cell layers Two, with jelly-like layer between them Three
Distinct brain No Yes
Specialized digestive system No Yes
Specialized excretory system No Yes
Body cavity containing internal organs No Yes
Specialized circulatory and respiratory organs No Yes

************* -->

  1. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Hinde2001CnidariaAndCtenophoraInAnderson
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