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Dalyellia viridis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Platyhelminthes
Order:	Rhabdocoela
Family:	Dalyelliidae
Genus:	Dalyellia
Species:	D. viridis
Binomial name
	Dalyellia viridis; (Shaw, 1791)

Dalyellia viridis is a species of rhabdocoel flatworm in the family Dalyelliidae.^[1]

Description

The animal is usually colored intensively green due to zoochlorellae.^[2] It is 2.5 to 4 mm long^[3] with a rounded anterior and pointed posterior end. It possesses a pair of kidney-shaped eyes.^[2] Mature animals carry many eggs in their body.^[3]

Taxonomy

It was described in 1791 by George Shaw as Hirudo viridis.^[1]

Distribution and habitat

It occurs in freshwater in stagnant waterbodies. It is most frequently found in temporary pools.^[3]

Ecology and behavior

The animal harbors symbiotic green algae (zoochlorellae) of the species Chlorella vulgaris in its body. It feeds on algae and animals, including microturbellarians.^[3]

References

^ ^a ^b "Dalyellia viridis". Turbellarian taxonomic database. Archived from the original on 2021-05-15. Retrieved 2021-05-15.
^ ^a ^b Streble, H. & Krauter, D. (1988). Das Leben im Wassertropfen. Stuttgart: Franckh. pp. 266–267.{{cite book}}: CS1 maint: multiple names: authors list (link)
^ ^a ^b ^c ^d Young, J. O. (2001). Keys to the freshwater microturbellarians of Britain and Ireland. Ambleside: Freshwater Biological Association.

[:0-1] "Dalyellia viridis". Turbellarian taxonomic database. Archived from the original on 2021-05-15. Retrieved 2021-05-15.

[:1-2] Streble, H. & Krauter, D. (1988). Das Leben im Wassertropfen. Stuttgart: Franckh. pp. 266–267.{{cite book}}: CS1 maint: multiple names: authors list (link)

[:2-3] Young, J. O. (2001). Keys to the freshwater microturbellarians of Britain and Ireland. Ambleside: Freshwater Biological Association.

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