Caenis horaria Linnaeus, 1758
(a mayfly)

Taxonomic hierarchy:
SpeciesCaenis horaria (a mayfly)
GenusCaenis (a genus of mayflies)
FamilyCAENIDAE (a family of mayflies)
OrderEPHEMEROPTERA (mayflies, upwinged flies)
InfraclassPalaeoptera (dragonflies, damselflies and mayflies)
SubclassPTERYGOTA (bees, beetles, dragonflies, flies, grasshoppers, moths and other winged insects)
ClassINSECTA (true insects)
SubphylumHEXAPODA (insects and other 6-legged organisms)
PhylumARTHROPODA (arthropods)
SuperphylumECDYSOZOA (skin shedders)
CladeBilateria (bilaterally symmetrical animals)
SubkingdomEUMETAZOA (metazoans)
KingdomANIMALIA (animals)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Caenis horaria (a mayfly) :
1: Caenis horaria (a mayfly)
7 Jun 2008 OSGR: SU87 51° 30’ N, 0° 50’ W Vice County: Berks (VC 22) England
Female, at MV
Image 1: Female adult - dorsal view - enlargedImage 2: Female adult - dorsal view - enlarged (2)Image 3: Female adult - dorso-lateral view - enlargedImage 4: Female adult - latero-dorsal view - enlargedImage 5: Female adult - latero-dorsal view - enlarged (2)Image 6: Female adult - postero-dorsal view - enlarged

Caenis horaria (a mayfly) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Caenis horaria (a mayfly)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Caenis horaria (a mayfly)
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