Sympetrum dilatatum

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Sympetrum dilatatum
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Odonata
Infraorder: Anisoptera
Family: Libellulidae
Genus: Sympetrum
Species:
S. dilatatum
Binomial name
Sympetrum dilatatum
(Calvert, 1892)

Sympetrum dilatatum, the St. Helena darter, was a species of dragonfly in the family Libellulidae. It was endemic to Saint Helena. In 2021, it was declared extinct by the IUCN. There have been no recorded sightings since 1962 and it is no longer present at the only two locations it was previously found at.

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Pisidium dilatatum is a species of freshwater bivalve belonging to the family Sphaeriidae. It is widespread in Europe and Asia, from southern Sweden in the west to Lake Baikal in the east. It occurs in oligotrophic lakes.

References

  1. Pryce, D. (2021). "Sympetrum dilatatum". IUCN Red List of Threatened Species . 2021: e.T21226A193512121. Retrieved 16 November 2021.