Flatworms: Difference between revisions
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|colspan="2" |Source: Integrated Taxonomic Information System | |colspan="2" |Source: Integrated Taxonomic Information System | ||
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|- align="center" | |||
|- align="center" | |||
! [[Cnidocyte]]s | |||
| Yes || colspan="3" | No | |||
|- align="center" | |||
! [[Colloblast]]s | |||
| No || Yes || colspan="2" | No | |||
! Bilateral symmetry | |||
| colspan="2" | No || colspan="2" | Yes | |||
|- align="center" | |||
! Number of main cell layers | |||
| colspan="2" | [[Diploblasty|Two]], with jelly-like layer between them || colspan="2" | [[Triploblasty|Three]] | |||
|- align="center" | |||
! Distinct [[brain]] | |||
| colspan="2" | No || colspan="2" | Yes | |||
|- align="center" | |||
! Specialized [[digestive system]] | |||
| colspan="2" | No || colspan="2" | Yes | |||
|- align="center" | |||
! Specialized [[excretory system]] | |||
| colspan="2" | No || colspan="2" | Yes | |||
|- align="center" | |||
! Body cavity containing internal organs | |||
| colspan="3" | No || Yes | |||
|- align="center" | |||
! Specialized [[circulatory system|circulatory]] and [[respiratory system|respiratory]] [[organ (anatomy)|organ]]s | |||
| colspan="3" | No || Yes | |||
|} ************* --> | |||
{{clear}} | |||
Revision as of 17:36, 22 April 2023
| |
| Kingdom: | Animalia |
|---|---|
| Subkingdom: | Eumetazoa |
| Clade: | ParaHoxozoa |
| Clade: | Bilateria |
| Clade: | Nephrozoa |
| Unranked: | Protostomia |
| Unranked: | Spiralia |
| Clade: | Rouphozoa |
| Phylum: | Platyhelminthes |
| Source: Integrated Taxonomic Information System | |
|- align="center"
|- align="center"
! Cnidocytes
| Yes || colspan="3" | No
|- align="center"
! Colloblasts
| No || Yes || colspan="2" | No
! Bilateral symmetry
| colspan="2" | No || colspan="2" | Yes
|- align="center"
! Number of main cell layers
| colspan="2" | Two, with jelly-like layer between them || colspan="2" | Three
|- align="center"
! Distinct brain
| colspan="2" | No || colspan="2" | Yes
|- align="center"
! Specialized digestive system
| colspan="2" | No || colspan="2" | Yes
|- align="center"
! Specialized excretory system
| colspan="2" | No || colspan="2" | Yes
|- align="center"
! Body cavity containing internal organs
| colspan="3" | No || Yes
|- align="center"
! Specialized circulatory and respiratory organs
| colspan="3" | No || Yes
|} ************* -->